Home / 8,275.12-12,414.04-2,728.79

Finding the Fourth Proportional to 8,275.12, 12,414.04 and 2,728.79

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Solution

The fourth proportional to 8,275.12, 12,414.04 and 2,728.79 is: 4,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.12 : 12,414.04 = 2,728.79 : x
  2. Step 2: Convert to fraction form
    8,275.12/12,414.04 = 2,728.79/x
  3. Step 3: Cross multiply
    8,275.12x = 12,414.04 × 2,728.79
  4. Step 4: Simplify right side
    8,275.12x = 33,875,332.42
  5. Step 5: Solve for x
    x = 33,875,332.42/8,275.12
  6. Step 6: Final answer
    x = 4,093.64

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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.