Home / 7,491.40-11,233.82-2,559.72

Finding the Fourth Proportional to 7,491.40, 11,233.82 and 2,559.72

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Solution

The fourth proportional to 7,491.40, 11,233.82 and 2,559.72 is: 3,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.40 : 11,233.82 = 2,559.72 : x
  2. Step 2: Convert to fraction form
    7,491.40/11,233.82 = 2,559.72/x
  3. Step 3: Cross multiply
    7,491.40x = 11,233.82 × 2,559.72
  4. Step 4: Simplify right side
    7,491.40x = 28,755,433.73
  5. Step 5: Solve for x
    x = 28,755,433.73/7,491.40
  6. Step 6: Final answer
    x = 3,838.46

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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.