Home / 7,319.30-10,100.66-3,962.11

Finding the Fourth Proportional to 7,319.30, 10,100.66 and 3,962.11

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Solution

The fourth proportional to 7,319.30, 10,100.66 and 3,962.11 is: 5,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.30 : 10,100.66 = 3,962.11 : x
  2. Step 2: Convert to fraction form
    7,319.30/10,100.66 = 3,962.11/x
  3. Step 3: Cross multiply
    7,319.30x = 10,100.66 × 3,962.11
  4. Step 4: Simplify right side
    7,319.30x = 40,019,948.52
  5. Step 5: Solve for x
    x = 40,019,948.52/7,319.30
  6. Step 6: Final answer
    x = 5,467.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.