Home / 10,471.05-15,707.94-3,451.79

Finding the Fourth Proportional to 10,471.05, 15,707.94 and 3,451.79

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Solution

The fourth proportional to 10,471.05, 15,707.94 and 3,451.79 is: 5,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.05 : 15,707.94 = 3,451.79 : x
  2. Step 2: Convert to fraction form
    10,471.05/15,707.94 = 3,451.79/x
  3. Step 3: Cross multiply
    10,471.05x = 15,707.94 × 3,451.79
  4. Step 4: Simplify right side
    10,471.05x = 54,220,510.21
  5. Step 5: Solve for x
    x = 54,220,510.21/10,471.05
  6. Step 6: Final answer
    x = 5,178.13

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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.