Home / 8,312.77-12,467.85-2,766.16

Finding the Fourth Proportional to 8,312.77, 12,467.85 and 2,766.16

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Solution

The fourth proportional to 8,312.77, 12,467.85 and 2,766.16 is: 4,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.77 : 12,467.85 = 2,766.16 : x
  2. Step 2: Convert to fraction form
    8,312.77/12,467.85 = 2,766.16/x
  3. Step 3: Cross multiply
    8,312.77x = 12,467.85 × 2,766.16
  4. Step 4: Simplify right side
    8,312.77x = 34,488,067.96
  5. Step 5: Solve for x
    x = 34,488,067.96/8,312.77
  6. Step 6: Final answer
    x = 4,148.81

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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.