Home / 9,021.60-12,449.88-5,042.88

Finding the Fourth Proportional to 9,021.60, 12,449.88 and 5,042.88

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Solution

The fourth proportional to 9,021.60, 12,449.88 and 5,042.88 is: 6,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.60 : 12,449.88 = 5,042.88 : x
  2. Step 2: Convert to fraction form
    9,021.60/12,449.88 = 5,042.88/x
  3. Step 3: Cross multiply
    9,021.60x = 12,449.88 × 5,042.88
  4. Step 4: Simplify right side
    9,021.60x = 62,783,250.85
  5. Step 5: Solve for x
    x = 62,783,250.85/9,021.60
  6. Step 6: Final answer
    x = 6,959.21

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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.