Home / 8,326.20-11,489.96-4,549.20

Finding the Fourth Proportional to 8,326.20, 11,489.96 and 4,549.20

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Solution

The fourth proportional to 8,326.20, 11,489.96 and 4,549.20 is: 6,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.20 : 11,489.96 = 4,549.20 : x
  2. Step 2: Convert to fraction form
    8,326.20/11,489.96 = 4,549.20/x
  3. Step 3: Cross multiply
    8,326.20x = 11,489.96 × 4,549.20
  4. Step 4: Simplify right side
    8,326.20x = 52,270,126.03
  5. Step 5: Solve for x
    x = 52,270,126.03/8,326.20
  6. Step 6: Final answer
    x = 6,277.79

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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.