Home / 3,909.67-5,864.34-1,136.28

Finding the Fourth Proportional to 3,909.67, 5,864.34 and 1,136.28

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Solution

The fourth proportional to 3,909.67, 5,864.34 and 1,136.28 is: 1,704.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.67 : 5,864.34 = 1,136.28 : x
  2. Step 2: Convert to fraction form
    3,909.67/5,864.34 = 1,136.28/x
  3. Step 3: Cross multiply
    3,909.67x = 5,864.34 × 1,136.28
  4. Step 4: Simplify right side
    3,909.67x = 6,663,552.12
  5. Step 5: Solve for x
    x = 6,663,552.12/3,909.67
  6. Step 6: Final answer
    x = 1,704.38

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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.