Home / 8,577.28-12,856.56-3,377.44

Finding the Fourth Proportional to 8,577.28, 12,856.56 and 3,377.44

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Solution

The fourth proportional to 8,577.28, 12,856.56 and 3,377.44 is: 5,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.28 : 12,856.56 = 3,377.44 : x
  2. Step 2: Convert to fraction form
    8,577.28/12,856.56 = 3,377.44/x
  3. Step 3: Cross multiply
    8,577.28x = 12,856.56 × 3,377.44
  4. Step 4: Simplify right side
    8,577.28x = 43,422,260.01
  5. Step 5: Solve for x
    x = 43,422,260.01/8,577.28
  6. Step 6: Final answer
    x = 5,062.47

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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.