Home / 8,149.32-11,245.86-4,612.55

Finding the Fourth Proportional to 8,149.32, 11,245.86 and 4,612.55

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Solution

The fourth proportional to 8,149.32, 11,245.86 and 4,612.55 is: 6,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.32 : 11,245.86 = 4,612.55 : x
  2. Step 2: Convert to fraction form
    8,149.32/11,245.86 = 4,612.55/x
  3. Step 3: Cross multiply
    8,149.32x = 11,245.86 × 4,612.55
  4. Step 4: Simplify right side
    8,149.32x = 51,872,035.31
  5. Step 5: Solve for x
    x = 51,872,035.31/8,149.32
  6. Step 6: Final answer
    x = 6,365.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.