Home / 5,442.28-8,177.10-3,468.79

Finding the Fourth Proportional to 5,442.28, 8,177.10 and 3,468.79

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Solution

The fourth proportional to 5,442.28, 8,177.10 and 3,468.79 is: 5,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.28 : 8,177.10 = 3,468.79 : x
  2. Step 2: Convert to fraction form
    5,442.28/8,177.10 = 3,468.79/x
  3. Step 3: Cross multiply
    5,442.28x = 8,177.10 × 3,468.79
  4. Step 4: Simplify right side
    5,442.28x = 28,364,642.71
  5. Step 5: Solve for x
    x = 28,364,642.71/5,442.28
  6. Step 6: Final answer
    x = 5,211.90

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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.