Home / 8,790.86-13,186.32-3,241.35

Finding the Fourth Proportional to 8,790.86, 13,186.32 and 3,241.35

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Solution

The fourth proportional to 8,790.86, 13,186.32 and 3,241.35 is: 4,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.86 : 13,186.32 = 3,241.35 : x
  2. Step 2: Convert to fraction form
    8,790.86/13,186.32 = 3,241.35/x
  3. Step 3: Cross multiply
    8,790.86x = 13,186.32 × 3,241.35
  4. Step 4: Simplify right side
    8,790.86x = 42,741,478.33
  5. Step 5: Solve for x
    x = 42,741,478.33/8,790.86
  6. Step 6: Final answer
    x = 4,862.04

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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.