Home / 6,989.33-10,480.68-2,543.85

Finding the Fourth Proportional to 6,989.33, 10,480.68 and 2,543.85

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Solution

The fourth proportional to 6,989.33, 10,480.68 and 2,543.85 is: 3,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.33 : 10,480.68 = 2,543.85 : x
  2. Step 2: Convert to fraction form
    6,989.33/10,480.68 = 2,543.85/x
  3. Step 3: Cross multiply
    6,989.33x = 10,480.68 × 2,543.85
  4. Step 4: Simplify right side
    6,989.33x = 26,661,277.82
  5. Step 5: Solve for x
    x = 26,661,277.82/6,989.33
  6. Step 6: Final answer
    x = 3,814.57

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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.