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Finding the Fourth Proportional to 5,065.72, 7,600.02 and 3,600.52

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Solution

The fourth proportional to 5,065.72, 7,600.02 and 3,600.52 is: 5,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.72 : 7,600.02 = 3,600.52 : x
  2. Step 2: Convert to fraction form
    5,065.72/7,600.02 = 3,600.52/x
  3. Step 3: Cross multiply
    5,065.72x = 7,600.02 × 3,600.52
  4. Step 4: Simplify right side
    5,065.72x = 27,364,024.01
  5. Step 5: Solve for x
    x = 27,364,024.01/5,065.72
  6. Step 6: Final answer
    x = 5,401.80

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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.