Home / 8,169.66-12,256.07-2,622.57

Finding the Fourth Proportional to 8,169.66, 12,256.07 and 2,622.57

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Solution

The fourth proportional to 8,169.66, 12,256.07 and 2,622.57 is: 3,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.66 : 12,256.07 = 2,622.57 : x
  2. Step 2: Convert to fraction form
    8,169.66/12,256.07 = 2,622.57/x
  3. Step 3: Cross multiply
    8,169.66x = 12,256.07 × 2,622.57
  4. Step 4: Simplify right side
    8,169.66x = 32,142,401.50
  5. Step 5: Solve for x
    x = 32,142,401.50/8,169.66
  6. Step 6: Final answer
    x = 3,934.36

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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.