Home / 7,171.92-9,898.72-4,517.54

Finding the Fourth Proportional to 7,171.92, 9,898.72 and 4,517.54

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Solution

The fourth proportional to 7,171.92, 9,898.72 and 4,517.54 is: 6,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.92 : 9,898.72 = 4,517.54 : x
  2. Step 2: Convert to fraction form
    7,171.92/9,898.72 = 4,517.54/x
  3. Step 3: Cross multiply
    7,171.92x = 9,898.72 × 4,517.54
  4. Step 4: Simplify right side
    7,171.92x = 44,717,863.55
  5. Step 5: Solve for x
    x = 44,717,863.55/7,171.92
  6. Step 6: Final answer
    x = 6,235.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.