Home / 8,279.07-12,418.53-3,348.63

Finding the Fourth Proportional to 8,279.07, 12,418.53 and 3,348.63

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Solution

The fourth proportional to 8,279.07, 12,418.53 and 3,348.63 is: 5,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.07 : 12,418.53 = 3,348.63 : x
  2. Step 2: Convert to fraction form
    8,279.07/12,418.53 = 3,348.63/x
  3. Step 3: Cross multiply
    8,279.07x = 12,418.53 × 3,348.63
  4. Step 4: Simplify right side
    8,279.07x = 41,585,062.11
  5. Step 5: Solve for x
    x = 41,585,062.11/8,279.07
  6. Step 6: Final answer
    x = 5,022.91

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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.