Home / 7,872.38-11,796.66-4,748.91

Finding the Fourth Proportional to 7,872.38, 11,796.66 and 4,748.91

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Solution

The fourth proportional to 7,872.38, 11,796.66 and 4,748.91 is: 7,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.38 : 11,796.66 = 4,748.91 : x
  2. Step 2: Convert to fraction form
    7,872.38/11,796.66 = 4,748.91/x
  3. Step 3: Cross multiply
    7,872.38x = 11,796.66 × 4,748.91
  4. Step 4: Simplify right side
    7,872.38x = 56,021,276.64
  5. Step 5: Solve for x
    x = 56,021,276.64/7,872.38
  6. Step 6: Final answer
    x = 7,116.18

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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.