Home / 5,280.53-7,915.92-2,508.51

Finding the Fourth Proportional to 5,280.53, 7,915.92 and 2,508.51

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Solution

The fourth proportional to 5,280.53, 7,915.92 and 2,508.51 is: 3,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.53 : 7,915.92 = 2,508.51 : x
  2. Step 2: Convert to fraction form
    5,280.53/7,915.92 = 2,508.51/x
  3. Step 3: Cross multiply
    5,280.53x = 7,915.92 × 2,508.51
  4. Step 4: Simplify right side
    5,280.53x = 19,857,164.48
  5. Step 5: Solve for x
    x = 19,857,164.48/5,280.53
  6. Step 6: Final answer
    x = 3,760.45

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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.