Home / 8,718.43-13,060.12-4,031.87

Finding the Fourth Proportional to 8,718.43, 13,060.12 and 4,031.87

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Solution

The fourth proportional to 8,718.43, 13,060.12 and 4,031.87 is: 6,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.43 : 13,060.12 = 4,031.87 : x
  2. Step 2: Convert to fraction form
    8,718.43/13,060.12 = 4,031.87/x
  3. Step 3: Cross multiply
    8,718.43x = 13,060.12 × 4,031.87
  4. Step 4: Simplify right side
    8,718.43x = 52,656,620.56
  5. Step 5: Solve for x
    x = 52,656,620.56/8,718.43
  6. Step 6: Final answer
    x = 6,039.69

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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.