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Finding the Fourth Proportional to 5,752.89, 8,616.69 and 4,754.39

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Solution

The fourth proportional to 5,752.89, 8,616.69 and 4,754.39 is: 7,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.89 : 8,616.69 = 4,754.39 : x
  2. Step 2: Convert to fraction form
    5,752.89/8,616.69 = 4,754.39/x
  3. Step 3: Cross multiply
    5,752.89x = 8,616.69 × 4,754.39
  4. Step 4: Simplify right side
    5,752.89x = 40,967,132.25
  5. Step 5: Solve for x
    x = 40,967,132.25/5,752.89
  6. Step 6: Final answer
    x = 7,121.13

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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.