Home / 8,789.22-13,187.08-4,110.75

Finding the Fourth Proportional to 8,789.22, 13,187.08 and 4,110.75

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Solution

The fourth proportional to 8,789.22, 13,187.08 and 4,110.75 is: 6,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.22 : 13,187.08 = 4,110.75 : x
  2. Step 2: Convert to fraction form
    8,789.22/13,187.08 = 4,110.75/x
  3. Step 3: Cross multiply
    8,789.22x = 13,187.08 × 4,110.75
  4. Step 4: Simplify right side
    8,789.22x = 54,208,789.11
  5. Step 5: Solve for x
    x = 54,208,789.11/8,789.22
  6. Step 6: Final answer
    x = 6,167.65

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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.