Home / 8,217.60-12,327.08-2,668.75

Finding the Fourth Proportional to 8,217.60, 12,327.08 and 2,668.75

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Solution

The fourth proportional to 8,217.60, 12,327.08 and 2,668.75 is: 4,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.60 : 12,327.08 = 2,668.75 : x
  2. Step 2: Convert to fraction form
    8,217.60/12,327.08 = 2,668.75/x
  3. Step 3: Cross multiply
    8,217.60x = 12,327.08 × 2,668.75
  4. Step 4: Simplify right side
    8,217.60x = 32,897,894.75
  5. Step 5: Solve for x
    x = 32,897,894.75/8,217.60
  6. Step 6: Final answer
    x = 4,003.35

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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.