Home / 8,130.66-12,191.67-3,744.38

Finding the Fourth Proportional to 8,130.66, 12,191.67 and 3,744.38

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Solution

The fourth proportional to 8,130.66, 12,191.67 and 3,744.38 is: 5,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.66 : 12,191.67 = 3,744.38 : x
  2. Step 2: Convert to fraction form
    8,130.66/12,191.67 = 3,744.38/x
  3. Step 3: Cross multiply
    8,130.66x = 12,191.67 × 3,744.38
  4. Step 4: Simplify right side
    8,130.66x = 45,650,184.36
  5. Step 5: Solve for x
    x = 45,650,184.36/8,130.66
  6. Step 6: Final answer
    x = 5,614.57

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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.