Home / 7,929.79-11,894.68-2,998.56

Finding the Fourth Proportional to 7,929.79, 11,894.68 and 2,998.56

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Solution

The fourth proportional to 7,929.79, 11,894.68 and 2,998.56 is: 4,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.79 : 11,894.68 = 2,998.56 : x
  2. Step 2: Convert to fraction form
    7,929.79/11,894.68 = 2,998.56/x
  3. Step 3: Cross multiply
    7,929.79x = 11,894.68 × 2,998.56
  4. Step 4: Simplify right side
    7,929.79x = 35,666,911.66
  5. Step 5: Solve for x
    x = 35,666,911.66/7,929.79
  6. Step 6: Final answer
    x = 4,497.84

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Similar ratio
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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.