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Finding the Fourth Proportional to 5,469.61, 7,553.23 and 4,358.72

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Solution

The fourth proportional to 5,469.61, 7,553.23 and 4,358.72 is: 6,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.61 : 7,553.23 = 4,358.72 : x
  2. Step 2: Convert to fraction form
    5,469.61/7,553.23 = 4,358.72/x
  3. Step 3: Cross multiply
    5,469.61x = 7,553.23 × 4,358.72
  4. Step 4: Simplify right side
    5,469.61x = 32,922,376.90
  5. Step 5: Solve for x
    x = 32,922,376.90/5,469.61
  6. Step 6: Final answer
    x = 6,019.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.