Home / 9,304.28-12,840.18-5,326.66

Finding the Fourth Proportional to 9,304.28, 12,840.18 and 5,326.66

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Solution

The fourth proportional to 9,304.28, 12,840.18 and 5,326.66 is: 7,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.28 : 12,840.18 = 5,326.66 : x
  2. Step 2: Convert to fraction form
    9,304.28/12,840.18 = 5,326.66/x
  3. Step 3: Cross multiply
    9,304.28x = 12,840.18 × 5,326.66
  4. Step 4: Simplify right side
    9,304.28x = 68,395,273.20
  5. Step 5: Solve for x
    x = 68,395,273.20/9,304.28
  6. Step 6: Final answer
    x = 7,350.95

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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.