Home / 8,182.27-12,275.36-2,636.13

Finding the Fourth Proportional to 8,182.27, 12,275.36 and 2,636.13

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Solution

The fourth proportional to 8,182.27, 12,275.36 and 2,636.13 is: 3,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.27 : 12,275.36 = 2,636.13 : x
  2. Step 2: Convert to fraction form
    8,182.27/12,275.36 = 2,636.13/x
  3. Step 3: Cross multiply
    8,182.27x = 12,275.36 × 2,636.13
  4. Step 4: Simplify right side
    8,182.27x = 32,359,444.76
  5. Step 5: Solve for x
    x = 32,359,444.76/8,182.27
  6. Step 6: Final answer
    x = 3,954.82

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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.