Home / 7,959.20-10,984.17-4,422.38

Finding the Fourth Proportional to 7,959.20, 10,984.17 and 4,422.38

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Solution

The fourth proportional to 7,959.20, 10,984.17 and 4,422.38 is: 6,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.20 : 10,984.17 = 4,422.38 : x
  2. Step 2: Convert to fraction form
    7,959.20/10,984.17 = 4,422.38/x
  3. Step 3: Cross multiply
    7,959.20x = 10,984.17 × 4,422.38
  4. Step 4: Simplify right side
    7,959.20x = 48,576,173.72
  5. Step 5: Solve for x
    x = 48,576,173.72/7,959.20
  6. Step 6: Final answer
    x = 6,103.15

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1.5x scale

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.