Home / 4,864.78-6,712.88-2,739.97

Finding the Fourth Proportional to 4,864.78, 6,712.88 and 2,739.97

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Solution

The fourth proportional to 4,864.78, 6,712.88 and 2,739.97 is: 3,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.78 : 6,712.88 = 2,739.97 : x
  2. Step 2: Convert to fraction form
    4,864.78/6,712.88 = 2,739.97/x
  3. Step 3: Cross multiply
    4,864.78x = 6,712.88 × 2,739.97
  4. Step 4: Simplify right side
    4,864.78x = 18,393,089.81
  5. Step 5: Solve for x
    x = 18,393,089.81/4,864.78
  6. Step 6: Final answer
    x = 3,780.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.