Home / 8,769.96-12,110.67-5,631.60

Finding the Fourth Proportional to 8,769.96, 12,110.67 and 5,631.60

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Solution

The fourth proportional to 8,769.96, 12,110.67 and 5,631.60 is: 7,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.96 : 12,110.67 = 5,631.60 : x
  2. Step 2: Convert to fraction form
    8,769.96/12,110.67 = 5,631.60/x
  3. Step 3: Cross multiply
    8,769.96x = 12,110.67 × 5,631.60
  4. Step 4: Simplify right side
    8,769.96x = 68,202,449.17
  5. Step 5: Solve for x
    x = 68,202,449.17/8,769.96
  6. Step 6: Final answer
    x = 7,776.83

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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.