Home / 6,790.38-10,188.16-3,501.38

Finding the Fourth Proportional to 6,790.38, 10,188.16 and 3,501.38

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Solution

The fourth proportional to 6,790.38, 10,188.16 and 3,501.38 is: 5,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.38 : 10,188.16 = 3,501.38 : x
  2. Step 2: Convert to fraction form
    6,790.38/10,188.16 = 3,501.38/x
  3. Step 3: Cross multiply
    6,790.38x = 10,188.16 × 3,501.38
  4. Step 4: Simplify right side
    6,790.38x = 35,672,619.66
  5. Step 5: Solve for x
    x = 35,672,619.66/6,790.38
  6. Step 6: Final answer
    x = 5,253.41

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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.