Home / 6,691.31-10,029.72-2,988.44

Finding the Fourth Proportional to 6,691.31, 10,029.72 and 2,988.44

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Solution

The fourth proportional to 6,691.31, 10,029.72 and 2,988.44 is: 4,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.31 : 10,029.72 = 2,988.44 : x
  2. Step 2: Convert to fraction form
    6,691.31/10,029.72 = 2,988.44/x
  3. Step 3: Cross multiply
    6,691.31x = 10,029.72 × 2,988.44
  4. Step 4: Simplify right side
    6,691.31x = 29,973,271.52
  5. Step 5: Solve for x
    x = 29,973,271.52/6,691.31
  6. Step 6: Final answer
    x = 4,479.43

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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.