Home / 8,731.68-13,064.72-4,838.88

Finding the Fourth Proportional to 8,731.68, 13,064.72 and 4,838.88

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Solution

The fourth proportional to 8,731.68, 13,064.72 and 4,838.88 is: 7,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.68 : 13,064.72 = 4,838.88 : x
  2. Step 2: Convert to fraction form
    8,731.68/13,064.72 = 4,838.88/x
  3. Step 3: Cross multiply
    8,731.68x = 13,064.72 × 4,838.88
  4. Step 4: Simplify right side
    8,731.68x = 63,218,612.31
  5. Step 5: Solve for x
    x = 63,218,612.31/8,731.68
  6. Step 6: Final answer
    x = 7,240.14

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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.