Home / 8,275.79-12,422.52-3,348.65

Finding the Fourth Proportional to 8,275.79, 12,422.52 and 3,348.65

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Solution

The fourth proportional to 8,275.79, 12,422.52 and 3,348.65 is: 5,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.79 : 12,422.52 = 3,348.65 : x
  2. Step 2: Convert to fraction form
    8,275.79/12,422.52 = 3,348.65/x
  3. Step 3: Cross multiply
    8,275.79x = 12,422.52 × 3,348.65
  4. Step 4: Simplify right side
    8,275.79x = 41,598,609.49
  5. Step 5: Solve for x
    x = 41,598,609.49/8,275.79
  6. Step 6: Final answer
    x = 5,026.55

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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.