Home / 9,864.32-14,787.84-3,706.88

Finding the Fourth Proportional to 9,864.32, 14,787.84 and 3,706.88

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Solution

The fourth proportional to 9,864.32, 14,787.84 and 3,706.88 is: 5,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.32 : 14,787.84 = 3,706.88 : x
  2. Step 2: Convert to fraction form
    9,864.32/14,787.84 = 3,706.88/x
  3. Step 3: Cross multiply
    9,864.32x = 14,787.84 × 3,706.88
  4. Step 4: Simplify right side
    9,864.32x = 54,816,748.34
  5. Step 5: Solve for x
    x = 54,816,748.34/9,864.32
  6. Step 6: Final answer
    x = 5,557.07

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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.