Home / 7,144.46-10,720.34-3,248.36

Finding the Fourth Proportional to 7,144.46, 10,720.34 and 3,248.36

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Solution

The fourth proportional to 7,144.46, 10,720.34 and 3,248.36 is: 4,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.46 : 10,720.34 = 3,248.36 : x
  2. Step 2: Convert to fraction form
    7,144.46/10,720.34 = 3,248.36/x
  3. Step 3: Cross multiply
    7,144.46x = 10,720.34 × 3,248.36
  4. Step 4: Simplify right side
    7,144.46x = 34,823,523.64
  5. Step 5: Solve for x
    x = 34,823,523.64/7,144.46
  6. Step 6: Final answer
    x = 4,874.20

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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.