Home / 8,203.26-12,301.83-2,655.15

Finding the Fourth Proportional to 8,203.26, 12,301.83 and 2,655.15

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Solution

The fourth proportional to 8,203.26, 12,301.83 and 2,655.15 is: 3,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.26 : 12,301.83 = 2,655.15 : x
  2. Step 2: Convert to fraction form
    8,203.26/12,301.83 = 2,655.15/x
  3. Step 3: Cross multiply
    8,203.26x = 12,301.83 × 2,655.15
  4. Step 4: Simplify right side
    8,203.26x = 32,663,203.92
  5. Step 5: Solve for x
    x = 32,663,203.92/8,203.26
  6. Step 6: Final answer
    x = 3,981.73

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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.