Home / 7,387.14-11,082.89-3,440.72

Finding the Fourth Proportional to 7,387.14, 11,082.89 and 3,440.72

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Solution

The fourth proportional to 7,387.14, 11,082.89 and 3,440.72 is: 5,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.14 : 11,082.89 = 3,440.72 : x
  2. Step 2: Convert to fraction form
    7,387.14/11,082.89 = 3,440.72/x
  3. Step 3: Cross multiply
    7,387.14x = 11,082.89 × 3,440.72
  4. Step 4: Simplify right side
    7,387.14x = 38,133,065.15
  5. Step 5: Solve for x
    x = 38,133,065.15/7,387.14
  6. Step 6: Final answer
    x = 5,162.09

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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.