Home / 7,431.46-11,151.60-2,754.76

Finding the Fourth Proportional to 7,431.46, 11,151.60 and 2,754.76

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Solution

The fourth proportional to 7,431.46, 11,151.60 and 2,754.76 is: 4,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.46 : 11,151.60 = 2,754.76 : x
  2. Step 2: Convert to fraction form
    7,431.46/11,151.60 = 2,754.76/x
  3. Step 3: Cross multiply
    7,431.46x = 11,151.60 × 2,754.76
  4. Step 4: Simplify right side
    7,431.46x = 30,719,981.62
  5. Step 5: Solve for x
    x = 30,719,981.62/7,431.46
  6. Step 6: Final answer
    x = 4,133.77

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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.