Home / 8,939.29-13,403.71-2,697.43

Finding the Fourth Proportional to 8,939.29, 13,403.71 and 2,697.43

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Solution

The fourth proportional to 8,939.29, 13,403.71 and 2,697.43 is: 4,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.29 : 13,403.71 = 2,697.43 : x
  2. Step 2: Convert to fraction form
    8,939.29/13,403.71 = 2,697.43/x
  3. Step 3: Cross multiply
    8,939.29x = 13,403.71 × 2,697.43
  4. Step 4: Simplify right side
    8,939.29x = 36,155,555.98
  5. Step 5: Solve for x
    x = 36,155,555.98/8,939.29
  6. Step 6: Final answer
    x = 4,044.57

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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.