Home / 8,348.36-12,520.55-2,423.66

Finding the Fourth Proportional to 8,348.36, 12,520.55 and 2,423.66

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Solution

The fourth proportional to 8,348.36, 12,520.55 and 2,423.66 is: 3,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.36 : 12,520.55 = 2,423.66 : x
  2. Step 2: Convert to fraction form
    8,348.36/12,520.55 = 2,423.66/x
  3. Step 3: Cross multiply
    8,348.36x = 12,520.55 × 2,423.66
  4. Step 4: Simplify right side
    8,348.36x = 30,345,481.49
  5. Step 5: Solve for x
    x = 30,345,481.49/8,348.36
  6. Step 6: Final answer
    x = 3,634.91

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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.