Home / 8,161.29-12,239.98-3,774.53

Finding the Fourth Proportional to 8,161.29, 12,239.98 and 3,774.53

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Solution

The fourth proportional to 8,161.29, 12,239.98 and 3,774.53 is: 5,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.29 : 12,239.98 = 3,774.53 : x
  2. Step 2: Convert to fraction form
    8,161.29/12,239.98 = 3,774.53/x
  3. Step 3: Cross multiply
    8,161.29x = 12,239.98 × 3,774.53
  4. Step 4: Simplify right side
    8,161.29x = 46,200,192.87
  5. Step 5: Solve for x
    x = 46,200,192.87/8,161.29
  6. Step 6: Final answer
    x = 5,660.89

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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.