Home / 7,136.24-10,690.00-3,331.50

Finding the Fourth Proportional to 7,136.24, 10,690.00 and 3,331.50

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Solution

The fourth proportional to 7,136.24, 10,690.00 and 3,331.50 is: 4,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.24 : 10,690.00 = 3,331.50 : x
  2. Step 2: Convert to fraction form
    7,136.24/10,690.00 = 3,331.50/x
  3. Step 3: Cross multiply
    7,136.24x = 10,690.00 × 3,331.50
  4. Step 4: Simplify right side
    7,136.24x = 35,613,726.67
  5. Step 5: Solve for x
    x = 35,613,726.67/7,136.24
  6. Step 6: Final answer
    x = 4,990.54

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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.