Home / 8,265.08-12,403.38-3,645.56

Finding the Fourth Proportional to 8,265.08, 12,403.38 and 3,645.56

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Solution

The fourth proportional to 8,265.08, 12,403.38 and 3,645.56 is: 5,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.08 : 12,403.38 = 3,645.56 : x
  2. Step 2: Convert to fraction form
    8,265.08/12,403.38 = 3,645.56/x
  3. Step 3: Cross multiply
    8,265.08x = 12,403.38 × 3,645.56
  4. Step 4: Simplify right side
    8,265.08x = 45,217,265.99
  5. Step 5: Solve for x
    x = 45,217,265.99/8,265.08
  6. Step 6: Final answer
    x = 5,470.88

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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.