Home / 4,841.28-6,680.52-2,745

Finding the Fourth Proportional to 4,841.28, 6,680.52 and 2,745

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Solution

The fourth proportional to 4,841.28, 6,680.52 and 2,745 is: 3,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.28 : 6,680.52 = 2,745 : x
  2. Step 2: Convert to fraction form
    4,841.28/6,680.52 = 2,745/x
  3. Step 3: Cross multiply
    4,841.28x = 6,680.52 × 2,745
  4. Step 4: Simplify right side
    4,841.28x = 18,338,027.40
  5. Step 5: Solve for x
    x = 18,338,027.40/4,841.28
  6. Step 6: Final answer
    x = 3,787.85

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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.