Home / 4,220.51-6,330.18-1,447.14

Finding the Fourth Proportional to 4,220.51, 6,330.18 and 1,447.14

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Solution

The fourth proportional to 4,220.51, 6,330.18 and 1,447.14 is: 2,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.51 : 6,330.18 = 1,447.14 : x
  2. Step 2: Convert to fraction form
    4,220.51/6,330.18 = 1,447.14/x
  3. Step 3: Cross multiply
    4,220.51x = 6,330.18 × 1,447.14
  4. Step 4: Simplify right side
    4,220.51x = 9,160,660.30
  5. Step 5: Solve for x
    x = 9,160,660.30/4,220.51
  6. Step 6: Final answer
    x = 2,170.51

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,221.51, 6,331.68 and 1,448.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.