Home / 5,010.81-6,914.55-2,772.18

Finding the Fourth Proportional to 5,010.81, 6,914.55 and 2,772.18

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Solution

The fourth proportional to 5,010.81, 6,914.55 and 2,772.18 is: 3,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.81 : 6,914.55 = 2,772.18 : x
  2. Step 2: Convert to fraction form
    5,010.81/6,914.55 = 2,772.18/x
  3. Step 3: Cross multiply
    5,010.81x = 6,914.55 × 2,772.18
  4. Step 4: Simplify right side
    5,010.81x = 19,168,377.22
  5. Step 5: Solve for x
    x = 19,168,377.22/5,010.81
  6. Step 6: Final answer
    x = 3,825.40

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Find fourth proportional to 2,505.41, 3,457.28 and 1,386.09
Half scale
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Double scale
Find fourth proportional to 5,011.81, 6,915.93 and 2,773.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.