Home / 6,424.74-9,638.21-2,207.79

Finding the Fourth Proportional to 6,424.74, 9,638.21 and 2,207.79

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Solution

The fourth proportional to 6,424.74, 9,638.21 and 2,207.79 is: 3,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.74 : 9,638.21 = 2,207.79 : x
  2. Step 2: Convert to fraction form
    6,424.74/9,638.21 = 2,207.79/x
  3. Step 3: Cross multiply
    6,424.74x = 9,638.21 × 2,207.79
  4. Step 4: Simplify right side
    6,424.74x = 21,279,132.62
  5. Step 5: Solve for x
    x = 21,279,132.62/6,424.74
  6. Step 6: Final answer
    x = 3,312.06

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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.