Home / 7,229.32-10,836.59-4,102.72

Finding the Fourth Proportional to 7,229.32, 10,836.59 and 4,102.72

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Solution

The fourth proportional to 7,229.32, 10,836.59 and 4,102.72 is: 6,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.32 : 10,836.59 = 4,102.72 : x
  2. Step 2: Convert to fraction form
    7,229.32/10,836.59 = 4,102.72/x
  3. Step 3: Cross multiply
    7,229.32x = 10,836.59 × 4,102.72
  4. Step 4: Simplify right side
    7,229.32x = 44,459,470.00
  5. Step 5: Solve for x
    x = 44,459,470.00/7,229.32
  6. Step 6: Final answer
    x = 6,149.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.