Home / 9,076.20-13,621.05-4,691.40

Finding the Fourth Proportional to 9,076.20, 13,621.05 and 4,691.40

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Solution

The fourth proportional to 9,076.20, 13,621.05 and 4,691.40 is: 7,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.20 : 13,621.05 = 4,691.40 : x
  2. Step 2: Convert to fraction form
    9,076.20/13,621.05 = 4,691.40/x
  3. Step 3: Cross multiply
    9,076.20x = 13,621.05 × 4,691.40
  4. Step 4: Simplify right side
    9,076.20x = 63,901,793.97
  5. Step 5: Solve for x
    x = 63,901,793.97/9,076.20
  6. Step 6: Final answer
    x = 7,040.59

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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.