Home / 4,839.86-7,258.92-1,282

Finding the Fourth Proportional to 4,839.86, 7,258.92 and 1,282

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Solution

The fourth proportional to 4,839.86, 7,258.92 and 1,282 is: 1,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.86 : 7,258.92 = 1,282 : x
  2. Step 2: Convert to fraction form
    4,839.86/7,258.92 = 1,282/x
  3. Step 3: Cross multiply
    4,839.86x = 7,258.92 × 1,282
  4. Step 4: Simplify right side
    4,839.86x = 9,305,932.24
  5. Step 5: Solve for x
    x = 9,305,932.24/4,839.86
  6. Step 6: Final answer
    x = 1,922.77

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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.