Home / 8,179.45-12,269.16-2,632.66

Finding the Fourth Proportional to 8,179.45, 12,269.16 and 2,632.66

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Solution

The fourth proportional to 8,179.45, 12,269.16 and 2,632.66 is: 3,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.45 : 12,269.16 = 2,632.66 : x
  2. Step 2: Convert to fraction form
    8,179.45/12,269.16 = 2,632.66/x
  3. Step 3: Cross multiply
    8,179.45x = 12,269.16 × 2,632.66
  4. Step 4: Simplify right side
    8,179.45x = 32,300,526.77
  5. Step 5: Solve for x
    x = 32,300,526.77/8,179.45
  6. Step 6: Final answer
    x = 3,948.99

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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.