Home / 8,790.75-13,186.29-4,109.48

Finding the Fourth Proportional to 8,790.75, 13,186.29 and 4,109.48

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Solution

The fourth proportional to 8,790.75, 13,186.29 and 4,109.48 is: 6,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.75 : 13,186.29 = 4,109.48 : x
  2. Step 2: Convert to fraction form
    8,790.75/13,186.29 = 4,109.48/x
  3. Step 3: Cross multiply
    8,790.75x = 13,186.29 × 4,109.48
  4. Step 4: Simplify right side
    8,790.75x = 54,188,729.10
  5. Step 5: Solve for x
    x = 54,188,729.10/8,790.75
  6. Step 6: Final answer
    x = 6,164.29

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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.