Home / 7,769.60-11,641.44-5,456.96

Finding the Fourth Proportional to 7,769.60, 11,641.44 and 5,456.96

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Solution

The fourth proportional to 7,769.60, 11,641.44 and 5,456.96 is: 8,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.60 : 11,641.44 = 5,456.96 : x
  2. Step 2: Convert to fraction form
    7,769.60/11,641.44 = 5,456.96/x
  3. Step 3: Cross multiply
    7,769.60x = 11,641.44 × 5,456.96
  4. Step 4: Simplify right side
    7,769.60x = 63,526,872.42
  5. Step 5: Solve for x
    x = 63,526,872.42/7,769.60
  6. Step 6: Final answer
    x = 8,176.34

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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.