Home / 8,275.18-12,412.78-2,435.90

Finding the Fourth Proportional to 8,275.18, 12,412.78 and 2,435.90

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Solution

The fourth proportional to 8,275.18, 12,412.78 and 2,435.90 is: 3,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.18 : 12,412.78 = 2,435.90 : x
  2. Step 2: Convert to fraction form
    8,275.18/12,412.78 = 2,435.90/x
  3. Step 3: Cross multiply
    8,275.18x = 12,412.78 × 2,435.90
  4. Step 4: Simplify right side
    8,275.18x = 30,236,290.80
  5. Step 5: Solve for x
    x = 30,236,290.80/8,275.18
  6. Step 6: Final answer
    x = 3,653.85

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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.