Home / 8,850.18-12,207.86-5,447.75

Finding the Fourth Proportional to 8,850.18, 12,207.86 and 5,447.75

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Solution

The fourth proportional to 8,850.18, 12,207.86 and 5,447.75 is: 7,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.18 : 12,207.86 = 5,447.75 : x
  2. Step 2: Convert to fraction form
    8,850.18/12,207.86 = 5,447.75/x
  3. Step 3: Cross multiply
    8,850.18x = 12,207.86 × 5,447.75
  4. Step 4: Simplify right side
    8,850.18x = 66,505,281.04
  5. Step 5: Solve for x
    x = 66,505,281.04/8,850.18
  6. Step 6: Final answer
    x = 7,514.57

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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.