Home / 8,930.48-13,391.04-3,085.70

Finding the Fourth Proportional to 8,930.48, 13,391.04 and 3,085.70

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Solution

The fourth proportional to 8,930.48, 13,391.04 and 3,085.70 is: 4,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.48 : 13,391.04 = 3,085.70 : x
  2. Step 2: Convert to fraction form
    8,930.48/13,391.04 = 3,085.70/x
  3. Step 3: Cross multiply
    8,930.48x = 13,391.04 × 3,085.70
  4. Step 4: Simplify right side
    8,930.48x = 41,320,732.13
  5. Step 5: Solve for x
    x = 41,320,732.13/8,930.48
  6. Step 6: Final answer
    x = 4,626.93

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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.