Home / 7,426.34-11,146.80-5,581.97

Finding the Fourth Proportional to 7,426.34, 11,146.80 and 5,581.97

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Solution

The fourth proportional to 7,426.34, 11,146.80 and 5,581.97 is: 8,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.34 : 11,146.80 = 5,581.97 : x
  2. Step 2: Convert to fraction form
    7,426.34/11,146.80 = 5,581.97/x
  3. Step 3: Cross multiply
    7,426.34x = 11,146.80 × 5,581.97
  4. Step 4: Simplify right side
    7,426.34x = 62,221,103.20
  5. Step 5: Solve for x
    x = 62,221,103.20/7,426.34
  6. Step 6: Final answer
    x = 8,378.43

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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.