Home / 8,449.32-12,675.42-2,605.80

Finding the Fourth Proportional to 8,449.32, 12,675.42 and 2,605.80

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Solution

The fourth proportional to 8,449.32, 12,675.42 and 2,605.80 is: 3,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.32 : 12,675.42 = 2,605.80 : x
  2. Step 2: Convert to fraction form
    8,449.32/12,675.42 = 2,605.80/x
  3. Step 3: Cross multiply
    8,449.32x = 12,675.42 × 2,605.80
  4. Step 4: Simplify right side
    8,449.32x = 33,029,609.44
  5. Step 5: Solve for x
    x = 33,029,609.44/8,449.32
  6. Step 6: Final answer
    x = 3,909.14

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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.