Home / 8,721.79-13,082.83-2,481.96

Finding the Fourth Proportional to 8,721.79, 13,082.83 and 2,481.96

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Solution

The fourth proportional to 8,721.79, 13,082.83 and 2,481.96 is: 3,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.79 : 13,082.83 = 2,481.96 : x
  2. Step 2: Convert to fraction form
    8,721.79/13,082.83 = 2,481.96/x
  3. Step 3: Cross multiply
    8,721.79x = 13,082.83 × 2,481.96
  4. Step 4: Simplify right side
    8,721.79x = 32,471,065.02
  5. Step 5: Solve for x
    x = 32,471,065.02/8,721.79
  6. Step 6: Final answer
    x = 3,722.98

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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.