Home / 7,959.48-10,983.60-4,422.57

Finding the Fourth Proportional to 7,959.48, 10,983.60 and 4,422.57

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Solution

The fourth proportional to 7,959.48, 10,983.60 and 4,422.57 is: 6,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.48 : 10,983.60 = 4,422.57 : x
  2. Step 2: Convert to fraction form
    7,959.48/10,983.60 = 4,422.57/x
  3. Step 3: Cross multiply
    7,959.48x = 10,983.60 × 4,422.57
  4. Step 4: Simplify right side
    7,959.48x = 48,575,739.85
  5. Step 5: Solve for x
    x = 48,575,739.85/7,959.48
  6. Step 6: Final answer
    x = 6,102.88

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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.