Home / 8,348.88-12,523.60-3,155.12

Finding the Fourth Proportional to 8,348.88, 12,523.60 and 3,155.12

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Solution

The fourth proportional to 8,348.88, 12,523.60 and 3,155.12 is: 4,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.88 : 12,523.60 = 3,155.12 : x
  2. Step 2: Convert to fraction form
    8,348.88/12,523.60 = 3,155.12/x
  3. Step 3: Cross multiply
    8,348.88x = 12,523.60 × 3,155.12
  4. Step 4: Simplify right side
    8,348.88x = 39,513,460.83
  5. Step 5: Solve for x
    x = 39,513,460.83/8,348.88
  6. Step 6: Final answer
    x = 4,732.79

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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.