Home / 8,176.28-12,260.55-2,628.13

Finding the Fourth Proportional to 8,176.28, 12,260.55 and 2,628.13

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Solution

The fourth proportional to 8,176.28, 12,260.55 and 2,628.13 is: 3,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.28 : 12,260.55 = 2,628.13 : x
  2. Step 2: Convert to fraction form
    8,176.28/12,260.55 = 2,628.13/x
  3. Step 3: Cross multiply
    8,176.28x = 12,260.55 × 2,628.13
  4. Step 4: Simplify right side
    8,176.28x = 32,222,319.27
  5. Step 5: Solve for x
    x = 32,222,319.27/8,176.28
  6. Step 6: Final answer
    x = 3,940.95

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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.