Home / 6,251.70-8,627.88-3,894.18

Finding the Fourth Proportional to 6,251.70, 8,627.88 and 3,894.18

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Solution

The fourth proportional to 6,251.70, 8,627.88 and 3,894.18 is: 5,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.70 : 8,627.88 = 3,894.18 : x
  2. Step 2: Convert to fraction form
    6,251.70/8,627.88 = 3,894.18/x
  3. Step 3: Cross multiply
    6,251.70x = 8,627.88 × 3,894.18
  4. Step 4: Simplify right side
    6,251.70x = 33,598,517.74
  5. Step 5: Solve for x
    x = 33,598,517.74/6,251.70
  6. Step 6: Final answer
    x = 5,374.30

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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.