Home / 8,251.18-11,387.46-4,894.54

Finding the Fourth Proportional to 8,251.18, 11,387.46 and 4,894.54

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Solution

The fourth proportional to 8,251.18, 11,387.46 and 4,894.54 is: 6,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.18 : 11,387.46 = 4,894.54 : x
  2. Step 2: Convert to fraction form
    8,251.18/11,387.46 = 4,894.54/x
  3. Step 3: Cross multiply
    8,251.18x = 11,387.46 × 4,894.54
  4. Step 4: Simplify right side
    8,251.18x = 55,736,378.47
  5. Step 5: Solve for x
    x = 55,736,378.47/8,251.18
  6. Step 6: Final answer
    x = 6,754.96

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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.