Home / 8,136.91-11,229.76-4,950.43

Finding the Fourth Proportional to 8,136.91, 11,229.76 and 4,950.43

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Solution

The fourth proportional to 8,136.91, 11,229.76 and 4,950.43 is: 6,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.91 : 11,229.76 = 4,950.43 : x
  2. Step 2: Convert to fraction form
    8,136.91/11,229.76 = 4,950.43/x
  3. Step 3: Cross multiply
    8,136.91x = 11,229.76 × 4,950.43
  4. Step 4: Simplify right side
    8,136.91x = 55,592,148.63
  5. Step 5: Solve for x
    x = 55,592,148.63/8,136.91
  6. Step 6: Final answer
    x = 6,832.10

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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.