Home / 8,414.32-12,628.14-4,715.86

Finding the Fourth Proportional to 8,414.32, 12,628.14 and 4,715.86

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Solution

The fourth proportional to 8,414.32, 12,628.14 and 4,715.86 is: 7,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.32 : 12,628.14 = 4,715.86 : x
  2. Step 2: Convert to fraction form
    8,414.32/12,628.14 = 4,715.86/x
  3. Step 3: Cross multiply
    8,414.32x = 12,628.14 × 4,715.86
  4. Step 4: Simplify right side
    8,414.32x = 59,552,540.30
  5. Step 5: Solve for x
    x = 59,552,540.30/8,414.32
  6. Step 6: Final answer
    x = 7,077.52

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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.