Home / 8,769.57-12,101.70-5,230.95

Finding the Fourth Proportional to 8,769.57, 12,101.70 and 5,230.95

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Solution

The fourth proportional to 8,769.57, 12,101.70 and 5,230.95 is: 7,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.57 : 12,101.70 = 5,230.95 : x
  2. Step 2: Convert to fraction form
    8,769.57/12,101.70 = 5,230.95/x
  3. Step 3: Cross multiply
    8,769.57x = 12,101.70 × 5,230.95
  4. Step 4: Simplify right side
    8,769.57x = 63,303,387.62
  5. Step 5: Solve for x
    x = 63,303,387.62/8,769.57
  6. Step 6: Final answer
    x = 7,218.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.