Home / 8,387.19-12,578.27-3,706.02

Finding the Fourth Proportional to 8,387.19, 12,578.27 and 3,706.02

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Solution

The fourth proportional to 8,387.19, 12,578.27 and 3,706.02 is: 5,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.19 : 12,578.27 = 3,706.02 : x
  2. Step 2: Convert to fraction form
    8,387.19/12,578.27 = 3,706.02/x
  3. Step 3: Cross multiply
    8,387.19x = 12,578.27 × 3,706.02
  4. Step 4: Simplify right side
    8,387.19x = 46,615,301.66
  5. Step 5: Solve for x
    x = 46,615,301.66/8,387.19
  6. Step 6: Final answer
    x = 5,557.92

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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.