Home / 7,151.46-10,726.05-1,956.12

Finding the Fourth Proportional to 7,151.46, 10,726.05 and 1,956.12

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Solution

The fourth proportional to 7,151.46, 10,726.05 and 1,956.12 is: 2,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.46 : 10,726.05 = 1,956.12 : x
  2. Step 2: Convert to fraction form
    7,151.46/10,726.05 = 1,956.12/x
  3. Step 3: Cross multiply
    7,151.46x = 10,726.05 × 1,956.12
  4. Step 4: Simplify right side
    7,151.46x = 20,981,440.93
  5. Step 5: Solve for x
    x = 20,981,440.93/7,151.46
  6. Step 6: Final answer
    x = 2,933.87

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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.