Home / 7,872.43-10,864.17-4,335.88

Finding the Fourth Proportional to 7,872.43, 10,864.17 and 4,335.88

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Solution

The fourth proportional to 7,872.43, 10,864.17 and 4,335.88 is: 5,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.43 : 10,864.17 = 4,335.88 : x
  2. Step 2: Convert to fraction form
    7,872.43/10,864.17 = 4,335.88/x
  3. Step 3: Cross multiply
    7,872.43x = 10,864.17 × 4,335.88
  4. Step 4: Simplify right side
    7,872.43x = 47,105,737.42
  5. Step 5: Solve for x
    x = 47,105,737.42/7,872.43
  6. Step 6: Final answer
    x = 5,983.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.