Home / 5,280.28-7,915.55-2,508.25

Finding the Fourth Proportional to 5,280.28, 7,915.55 and 2,508.25

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Solution

The fourth proportional to 5,280.28, 7,915.55 and 2,508.25 is: 3,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.28 : 7,915.55 = 2,508.25 : x
  2. Step 2: Convert to fraction form
    5,280.28/7,915.55 = 2,508.25/x
  3. Step 3: Cross multiply
    5,280.28x = 7,915.55 × 2,508.25
  4. Step 4: Simplify right side
    5,280.28x = 19,854,178.29
  5. Step 5: Solve for x
    x = 19,854,178.29/5,280.28
  6. Step 6: Final answer
    x = 3,760.06

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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.