Home / 8,079.22-11,152.92-6,282.64

Finding the Fourth Proportional to 8,079.22, 11,152.92 and 6,282.64

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Solution

The fourth proportional to 8,079.22, 11,152.92 and 6,282.64 is: 8,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.22 : 11,152.92 = 6,282.64 : x
  2. Step 2: Convert to fraction form
    8,079.22/11,152.92 = 6,282.64/x
  3. Step 3: Cross multiply
    8,079.22x = 11,152.92 × 6,282.64
  4. Step 4: Simplify right side
    8,079.22x = 70,069,781.31
  5. Step 5: Solve for x
    x = 70,069,781.31/8,079.22
  6. Step 6: Final answer
    x = 8,672.84

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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.