Home / 8,267.72-12,406.14-3,587.78

Finding the Fourth Proportional to 8,267.72, 12,406.14 and 3,587.78

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Solution

The fourth proportional to 8,267.72, 12,406.14 and 3,587.78 is: 5,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.72 : 12,406.14 = 3,587.78 : x
  2. Step 2: Convert to fraction form
    8,267.72/12,406.14 = 3,587.78/x
  3. Step 3: Cross multiply
    8,267.72x = 12,406.14 × 3,587.78
  4. Step 4: Simplify right side
    8,267.72x = 44,510,500.97
  5. Step 5: Solve for x
    x = 44,510,500.97/8,267.72
  6. Step 6: Final answer
    x = 5,383.65

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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.