Home / 6,276.71-9,414.78-2,765.78

Finding the Fourth Proportional to 6,276.71, 9,414.78 and 2,765.78

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Solution

The fourth proportional to 6,276.71, 9,414.78 and 2,765.78 is: 4,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.71 : 9,414.78 = 2,765.78 : x
  2. Step 2: Convert to fraction form
    6,276.71/9,414.78 = 2,765.78/x
  3. Step 3: Cross multiply
    6,276.71x = 9,414.78 × 2,765.78
  4. Step 4: Simplify right side
    6,276.71x = 26,039,233.77
  5. Step 5: Solve for x
    x = 26,039,233.77/6,276.71
  6. Step 6: Final answer
    x = 4,148.55

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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.