Home / 8,888.22-13,327.92-5,191.38

Finding the Fourth Proportional to 8,888.22, 13,327.92 and 5,191.38

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Solution

The fourth proportional to 8,888.22, 13,327.92 and 5,191.38 is: 7,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.22 : 13,327.92 = 5,191.38 : x
  2. Step 2: Convert to fraction form
    8,888.22/13,327.92 = 5,191.38/x
  3. Step 3: Cross multiply
    8,888.22x = 13,327.92 × 5,191.38
  4. Step 4: Simplify right side
    8,888.22x = 69,190,297.33
  5. Step 5: Solve for x
    x = 69,190,297.33/8,888.22
  6. Step 6: Final answer
    x = 7,784.49

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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.