Home / 8,720.43-13,063.12-4,033.87

Finding the Fourth Proportional to 8,720.43, 13,063.12 and 4,033.87

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Solution

The fourth proportional to 8,720.43, 13,063.12 and 4,033.87 is: 6,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.43 : 13,063.12 = 4,033.87 : x
  2. Step 2: Convert to fraction form
    8,720.43/13,063.12 = 4,033.87/x
  3. Step 3: Cross multiply
    8,720.43x = 13,063.12 × 4,033.87
  4. Step 4: Simplify right side
    8,720.43x = 52,694,907.71
  5. Step 5: Solve for x
    x = 52,694,907.71/8,720.43
  6. Step 6: Final answer
    x = 6,042.70

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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.