Home / 4,136.29-6,203.70-1,213.91

Finding the Fourth Proportional to 4,136.29, 6,203.70 and 1,213.91

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Solution

The fourth proportional to 4,136.29, 6,203.70 and 1,213.91 is: 1,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.29 : 6,203.70 = 1,213.91 : x
  2. Step 2: Convert to fraction form
    4,136.29/6,203.70 = 1,213.91/x
  3. Step 3: Cross multiply
    4,136.29x = 6,203.70 × 1,213.91
  4. Step 4: Simplify right side
    4,136.29x = 7,530,733.47
  5. Step 5: Solve for x
    x = 7,530,733.47/4,136.29
  6. Step 6: Final answer
    x = 1,820.65

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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.