Home / 8,279.04-12,418.56-2,435.70

Finding the Fourth Proportional to 8,279.04, 12,418.56 and 2,435.70

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Solution

The fourth proportional to 8,279.04, 12,418.56 and 2,435.70 is: 3,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.04 : 12,418.56 = 2,435.70 : x
  2. Step 2: Convert to fraction form
    8,279.04/12,418.56 = 2,435.70/x
  3. Step 3: Cross multiply
    8,279.04x = 12,418.56 × 2,435.70
  4. Step 4: Simplify right side
    8,279.04x = 30,247,886.59
  5. Step 5: Solve for x
    x = 30,247,886.59/8,279.04
  6. Step 6: Final answer
    x = 3,653.55

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Similar ratio
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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.