Home / 5,136.30-7,077.62-3,543.44

Finding the Fourth Proportional to 5,136.30, 7,077.62 and 3,543.44

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Solution

The fourth proportional to 5,136.30, 7,077.62 and 3,543.44 is: 4,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.30 : 7,077.62 = 3,543.44 : x
  2. Step 2: Convert to fraction form
    5,136.30/7,077.62 = 3,543.44/x
  3. Step 3: Cross multiply
    5,136.30x = 7,077.62 × 3,543.44
  4. Step 4: Simplify right side
    5,136.30x = 25,079,068.71
  5. Step 5: Solve for x
    x = 25,079,068.71/5,136.30
  6. Step 6: Final answer
    x = 4,882.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.