Home / 7,934.39-11,901.60-2,388.32

Finding the Fourth Proportional to 7,934.39, 11,901.60 and 2,388.32

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Solution

The fourth proportional to 7,934.39, 11,901.60 and 2,388.32 is: 3,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.39 : 11,901.60 = 2,388.32 : x
  2. Step 2: Convert to fraction form
    7,934.39/11,901.60 = 2,388.32/x
  3. Step 3: Cross multiply
    7,934.39x = 11,901.60 × 2,388.32
  4. Step 4: Simplify right side
    7,934.39x = 28,424,769.80
  5. Step 5: Solve for x
    x = 28,424,769.80/7,934.39
  6. Step 6: Final answer
    x = 3,582.48

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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.