Home / 7,680.61-11,499.04-5,045.28

Finding the Fourth Proportional to 7,680.61, 11,499.04 and 5,045.28

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Solution

The fourth proportional to 7,680.61, 11,499.04 and 5,045.28 is: 7,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.61 : 11,499.04 = 5,045.28 : x
  2. Step 2: Convert to fraction form
    7,680.61/11,499.04 = 5,045.28/x
  3. Step 3: Cross multiply
    7,680.61x = 11,499.04 × 5,045.28
  4. Step 4: Simplify right side
    7,680.61x = 58,015,876.53
  5. Step 5: Solve for x
    x = 58,015,876.53/7,680.61
  6. Step 6: Final answer
    x = 7,553.55

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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.