Home / 5,397.66-7,448.28-3,039.78

Finding the Fourth Proportional to 5,397.66, 7,448.28 and 3,039.78

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Solution

The fourth proportional to 5,397.66, 7,448.28 and 3,039.78 is: 4,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.66 : 7,448.28 = 3,039.78 : x
  2. Step 2: Convert to fraction form
    5,397.66/7,448.28 = 3,039.78/x
  3. Step 3: Cross multiply
    5,397.66x = 7,448.28 × 3,039.78
  4. Step 4: Simplify right side
    5,397.66x = 22,641,132.58
  5. Step 5: Solve for x
    x = 22,641,132.58/5,397.66
  6. Step 6: Final answer
    x = 4,194.62

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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.