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Finding the Fourth Proportional to 5,877.38, 8,803.10 and 3,920.42

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Solution

The fourth proportional to 5,877.38, 8,803.10 and 3,920.42 is: 5,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.38 : 8,803.10 = 3,920.42 : x
  2. Step 2: Convert to fraction form
    5,877.38/8,803.10 = 3,920.42/x
  3. Step 3: Cross multiply
    5,877.38x = 8,803.10 × 3,920.42
  4. Step 4: Simplify right side
    5,877.38x = 34,511,849.30
  5. Step 5: Solve for x
    x = 34,511,849.30/5,877.38
  6. Step 6: Final answer
    x = 5,871.98

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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.