Home / 8,278.08-12,414.66-4,380.36

Finding the Fourth Proportional to 8,278.08, 12,414.66 and 4,380.36

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Solution

The fourth proportional to 8,278.08, 12,414.66 and 4,380.36 is: 6,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.08 : 12,414.66 = 4,380.36 : x
  2. Step 2: Convert to fraction form
    8,278.08/12,414.66 = 4,380.36/x
  3. Step 3: Cross multiply
    8,278.08x = 12,414.66 × 4,380.36
  4. Step 4: Simplify right side
    8,278.08x = 54,380,680.08
  5. Step 5: Solve for x
    x = 54,380,680.08/8,278.08
  6. Step 6: Final answer
    x = 6,569.24

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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.