Home / 7,724.57-11,587.54-2,177.97

Finding the Fourth Proportional to 7,724.57, 11,587.54 and 2,177.97

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Solution

The fourth proportional to 7,724.57, 11,587.54 and 2,177.97 is: 3,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.57 : 11,587.54 = 2,177.97 : x
  2. Step 2: Convert to fraction form
    7,724.57/11,587.54 = 2,177.97/x
  3. Step 3: Cross multiply
    7,724.57x = 11,587.54 × 2,177.97
  4. Step 4: Simplify right side
    7,724.57x = 25,237,334.86
  5. Step 5: Solve for x
    x = 25,237,334.86/7,724.57
  6. Step 6: Final answer
    x = 3,267.15

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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.