Home / 6,660.15-9,989.28-2,276.97

Finding the Fourth Proportional to 6,660.15, 9,989.28 and 2,276.97

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Solution

The fourth proportional to 6,660.15, 9,989.28 and 2,276.97 is: 3,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.15 : 9,989.28 = 2,276.97 : x
  2. Step 2: Convert to fraction form
    6,660.15/9,989.28 = 2,276.97/x
  3. Step 3: Cross multiply
    6,660.15x = 9,989.28 × 2,276.97
  4. Step 4: Simplify right side
    6,660.15x = 22,745,290.88
  5. Step 5: Solve for x
    x = 22,745,290.88/6,660.15
  6. Step 6: Final answer
    x = 3,415.13

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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.