Home / 4,678.41-6,456.04-2,789.02

Finding the Fourth Proportional to 4,678.41, 6,456.04 and 2,789.02

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Solution

The fourth proportional to 4,678.41, 6,456.04 and 2,789.02 is: 3,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.41 : 6,456.04 = 2,789.02 : x
  2. Step 2: Convert to fraction form
    4,678.41/6,456.04 = 2,789.02/x
  3. Step 3: Cross multiply
    4,678.41x = 6,456.04 × 2,789.02
  4. Step 4: Simplify right side
    4,678.41x = 18,006,007.62
  5. Step 5: Solve for x
    x = 18,006,007.62/4,678.41
  6. Step 6: Final answer
    x = 3,848.75

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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.