Home / 5,117.50-7,672.17-2,652.70

Finding the Fourth Proportional to 5,117.50, 7,672.17 and 2,652.70

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Solution

The fourth proportional to 5,117.50, 7,672.17 and 2,652.70 is: 3,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.50 : 7,672.17 = 2,652.70 : x
  2. Step 2: Convert to fraction form
    5,117.50/7,672.17 = 2,652.70/x
  3. Step 3: Cross multiply
    5,117.50x = 7,672.17 × 2,652.70
  4. Step 4: Simplify right side
    5,117.50x = 20,351,965.36
  5. Step 5: Solve for x
    x = 20,351,965.36/5,117.50
  6. Step 6: Final answer
    x = 3,976.94

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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.