Home / 7,972.30-11,958.45-2,425.15

Finding the Fourth Proportional to 7,972.30, 11,958.45 and 2,425.15

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Solution

The fourth proportional to 7,972.30, 11,958.45 and 2,425.15 is: 3,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.30 : 11,958.45 = 2,425.15 : x
  2. Step 2: Convert to fraction form
    7,972.30/11,958.45 = 2,425.15/x
  3. Step 3: Cross multiply
    7,972.30x = 11,958.45 × 2,425.15
  4. Step 4: Simplify right side
    7,972.30x = 29,001,035.02
  5. Step 5: Solve for x
    x = 29,001,035.02/7,972.30
  6. Step 6: Final answer
    x = 3,637.73

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1.5x scale

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.