Home / 7,997.48-11,994.40-2,154.56

Finding the Fourth Proportional to 7,997.48, 11,994.40 and 2,154.56

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Solution

The fourth proportional to 7,997.48, 11,994.40 and 2,154.56 is: 3,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.48 : 11,994.40 = 2,154.56 : x
  2. Step 2: Convert to fraction form
    7,997.48/11,994.40 = 2,154.56/x
  3. Step 3: Cross multiply
    7,997.48x = 11,994.40 × 2,154.56
  4. Step 4: Simplify right side
    7,997.48x = 25,842,654.46
  5. Step 5: Solve for x
    x = 25,842,654.46/7,997.48
  6. Step 6: Final answer
    x = 3,231.35

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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.