Home / 4,287.47-5,915.94-2,519.43

Finding the Fourth Proportional to 4,287.47, 5,915.94 and 2,519.43

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Solution

The fourth proportional to 4,287.47, 5,915.94 and 2,519.43 is: 3,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.47 : 5,915.94 = 2,519.43 : x
  2. Step 2: Convert to fraction form
    4,287.47/5,915.94 = 2,519.43/x
  3. Step 3: Cross multiply
    4,287.47x = 5,915.94 × 2,519.43
  4. Step 4: Simplify right side
    4,287.47x = 14,904,796.71
  5. Step 5: Solve for x
    x = 14,904,796.71/4,287.47
  6. Step 6: Final answer
    x = 3,476.37

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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.