Home / 8,279.59-11,426.13-4,743.49

Finding the Fourth Proportional to 8,279.59, 11,426.13 and 4,743.49

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Solution

The fourth proportional to 8,279.59, 11,426.13 and 4,743.49 is: 6,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.59 : 11,426.13 = 4,743.49 : x
  2. Step 2: Convert to fraction form
    8,279.59/11,426.13 = 4,743.49/x
  3. Step 3: Cross multiply
    8,279.59x = 11,426.13 × 4,743.49
  4. Step 4: Simplify right side
    8,279.59x = 54,199,694.12
  5. Step 5: Solve for x
    x = 54,199,694.12/8,279.59
  6. Step 6: Final answer
    x = 6,546.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.