Home / 5,136.83-7,707.63-1,627.38

Finding the Fourth Proportional to 5,136.83, 7,707.63 and 1,627.38

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Solution

The fourth proportional to 5,136.83, 7,707.63 and 1,627.38 is: 2,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.83 : 7,707.63 = 1,627.38 : x
  2. Step 2: Convert to fraction form
    5,136.83/7,707.63 = 1,627.38/x
  3. Step 3: Cross multiply
    5,136.83x = 7,707.63 × 1,627.38
  4. Step 4: Simplify right side
    5,136.83x = 12,543,242.91
  5. Step 5: Solve for x
    x = 12,543,242.91/5,136.83
  6. Step 6: Final answer
    x = 2,441.83

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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.