Home / 6,689.93-10,029.23-2,687.72

Finding the Fourth Proportional to 6,689.93, 10,029.23 and 2,687.72

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Solution

The fourth proportional to 6,689.93, 10,029.23 and 2,687.72 is: 4,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.93 : 10,029.23 = 2,687.72 : x
  2. Step 2: Convert to fraction form
    6,689.93/10,029.23 = 2,687.72/x
  3. Step 3: Cross multiply
    6,689.93x = 10,029.23 × 2,687.72
  4. Step 4: Simplify right side
    6,689.93x = 26,955,773.69
  5. Step 5: Solve for x
    x = 26,955,773.69/6,689.93
  6. Step 6: Final answer
    x = 4,029.30

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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.