Home / 6,939.53-10,407.68-2,007.85

Finding the Fourth Proportional to 6,939.53, 10,407.68 and 2,007.85

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Solution

The fourth proportional to 6,939.53, 10,407.68 and 2,007.85 is: 3,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.53 : 10,407.68 = 2,007.85 : x
  2. Step 2: Convert to fraction form
    6,939.53/10,407.68 = 2,007.85/x
  3. Step 3: Cross multiply
    6,939.53x = 10,407.68 × 2,007.85
  4. Step 4: Simplify right side
    6,939.53x = 20,896,998.21
  5. Step 5: Solve for x
    x = 20,896,998.21/6,939.53
  6. Step 6: Final answer
    x = 3,011.30

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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.