Home / 5,275.33-7,912.99-2,114.19

Finding the Fourth Proportional to 5,275.33, 7,912.99 and 2,114.19

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Solution

The fourth proportional to 5,275.33, 7,912.99 and 2,114.19 is: 3,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.33 : 7,912.99 = 2,114.19 : x
  2. Step 2: Convert to fraction form
    5,275.33/7,912.99 = 2,114.19/x
  3. Step 3: Cross multiply
    5,275.33x = 7,912.99 × 2,114.19
  4. Step 4: Simplify right side
    5,275.33x = 16,729,555.84
  5. Step 5: Solve for x
    x = 16,729,555.84/5,275.33
  6. Step 6: Final answer
    x = 3,171.28

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Half scale
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Double scale
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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.