Home / 7,944.78-11,917.49-2,398.13

Finding the Fourth Proportional to 7,944.78, 11,917.49 and 2,398.13

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Solution

The fourth proportional to 7,944.78, 11,917.49 and 2,398.13 is: 3,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.78 : 11,917.49 = 2,398.13 : x
  2. Step 2: Convert to fraction form
    7,944.78/11,917.49 = 2,398.13/x
  3. Step 3: Cross multiply
    7,944.78x = 11,917.49 × 2,398.13
  4. Step 4: Simplify right side
    7,944.78x = 28,579,690.29
  5. Step 5: Solve for x
    x = 28,579,690.29/7,944.78
  6. Step 6: Final answer
    x = 3,597.29

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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.