Home / 7,150.91-10,733.22-2,989.80

Finding the Fourth Proportional to 7,150.91, 10,733.22 and 2,989.80

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Solution

The fourth proportional to 7,150.91, 10,733.22 and 2,989.80 is: 4,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.91 : 10,733.22 = 2,989.80 : x
  2. Step 2: Convert to fraction form
    7,150.91/10,733.22 = 2,989.80/x
  3. Step 3: Cross multiply
    7,150.91x = 10,733.22 × 2,989.80
  4. Step 4: Simplify right side
    7,150.91x = 32,090,181.16
  5. Step 5: Solve for x
    x = 32,090,181.16/7,150.91
  6. Step 6: Final answer
    x = 4,487.57

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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.