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Finding the Fourth Proportional to 5,610.81, 8,411.12 and 3,524.50

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Solution

The fourth proportional to 5,610.81, 8,411.12 and 3,524.50 is: 5,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.81 : 8,411.12 = 3,524.50 : x
  2. Step 2: Convert to fraction form
    5,610.81/8,411.12 = 3,524.50/x
  3. Step 3: Cross multiply
    5,610.81x = 8,411.12 × 3,524.50
  4. Step 4: Simplify right side
    5,610.81x = 29,644,992.44
  5. Step 5: Solve for x
    x = 29,644,992.44/5,610.81
  6. Step 6: Final answer
    x = 5,283.55

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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.