Home / 8,449.14-12,675.60-2,605.80

Finding the Fourth Proportional to 8,449.14, 12,675.60 and 2,605.80

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Solution

The fourth proportional to 8,449.14, 12,675.60 and 2,605.80 is: 3,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.14 : 12,675.60 = 2,605.80 : x
  2. Step 2: Convert to fraction form
    8,449.14/12,675.60 = 2,605.80/x
  3. Step 3: Cross multiply
    8,449.14x = 12,675.60 × 2,605.80
  4. Step 4: Simplify right side
    8,449.14x = 33,030,078.48
  5. Step 5: Solve for x
    x = 33,030,078.48/8,449.14
  6. Step 6: Final answer
    x = 3,909.28

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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.