Home / 8,930.62-13,391.19-3,005.53

Finding the Fourth Proportional to 8,930.62, 13,391.19 and 3,005.53

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Solution

The fourth proportional to 8,930.62, 13,391.19 and 3,005.53 is: 4,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.62 : 13,391.19 = 3,005.53 : x
  2. Step 2: Convert to fraction form
    8,930.62/13,391.19 = 3,005.53/x
  3. Step 3: Cross multiply
    8,930.62x = 13,391.19 × 3,005.53
  4. Step 4: Simplify right side
    8,930.62x = 40,247,624.30
  5. Step 5: Solve for x
    x = 40,247,624.30/8,930.62
  6. Step 6: Final answer
    x = 4,506.70

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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.