Home / 8,883.89-12,261.53-5,109.65

Finding the Fourth Proportional to 8,883.89, 12,261.53 and 5,109.65

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Solution

The fourth proportional to 8,883.89, 12,261.53 and 5,109.65 is: 7,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.89 : 12,261.53 = 5,109.65 : x
  2. Step 2: Convert to fraction form
    8,883.89/12,261.53 = 5,109.65/x
  3. Step 3: Cross multiply
    8,883.89x = 12,261.53 × 5,109.65
  4. Step 4: Simplify right side
    8,883.89x = 62,652,101.22
  5. Step 5: Solve for x
    x = 62,652,101.22/8,883.89
  6. Step 6: Final answer
    x = 7,052.33

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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.