Home / 6,687.21-10,030.51-3,174.65

Finding the Fourth Proportional to 6,687.21, 10,030.51 and 3,174.65

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Solution

The fourth proportional to 6,687.21, 10,030.51 and 3,174.65 is: 4,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.21 : 10,030.51 = 3,174.65 : x
  2. Step 2: Convert to fraction form
    6,687.21/10,030.51 = 3,174.65/x
  3. Step 3: Cross multiply
    6,687.21x = 10,030.51 × 3,174.65
  4. Step 4: Simplify right side
    6,687.21x = 31,843,358.57
  5. Step 5: Solve for x
    x = 31,843,358.57/6,687.21
  6. Step 6: Final answer
    x = 4,761.83

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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.