Home / 7,680.11-11,498.30-5,044.78

Finding the Fourth Proportional to 7,680.11, 11,498.30 and 5,044.78

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Solution

The fourth proportional to 7,680.11, 11,498.30 and 5,044.78 is: 7,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.11 : 11,498.30 = 5,044.78 : x
  2. Step 2: Convert to fraction form
    7,680.11/11,498.30 = 5,044.78/x
  3. Step 3: Cross multiply
    7,680.11x = 11,498.30 × 5,044.78
  4. Step 4: Simplify right side
    7,680.11x = 58,006,311.16
  5. Step 5: Solve for x
    x = 58,006,311.16/7,680.11
  6. Step 6: Final answer
    x = 7,552.80

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1.5x scale

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.