Home / 9,351.60-12,906.35-5,372.70

Finding the Fourth Proportional to 9,351.60, 12,906.35 and 5,372.70

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Solution

The fourth proportional to 9,351.60, 12,906.35 and 5,372.70 is: 7,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.60 : 12,906.35 = 5,372.70 : x
  2. Step 2: Convert to fraction form
    9,351.60/12,906.35 = 5,372.70/x
  3. Step 3: Cross multiply
    9,351.60x = 12,906.35 × 5,372.70
  4. Step 4: Simplify right side
    9,351.60x = 69,341,946.65
  5. Step 5: Solve for x
    x = 69,341,946.65/9,351.60
  6. Step 6: Final answer
    x = 7,414.98

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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.