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Finding the Fourth Proportional to 5,753.57, 8,616.51 and 3,280.89

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Solution

The fourth proportional to 5,753.57, 8,616.51 and 3,280.89 is: 4,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.57 : 8,616.51 = 3,280.89 : x
  2. Step 2: Convert to fraction form
    5,753.57/8,616.51 = 3,280.89/x
  3. Step 3: Cross multiply
    5,753.57x = 8,616.51 × 3,280.89
  4. Step 4: Simplify right side
    5,753.57x = 28,269,851.24
  5. Step 5: Solve for x
    x = 28,269,851.24/5,753.57
  6. Step 6: Final answer
    x = 4,913.45

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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.