Home / 4,979.34-6,870.42-3,934.44

Finding the Fourth Proportional to 4,979.34, 6,870.42 and 3,934.44

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Solution

The fourth proportional to 4,979.34, 6,870.42 and 3,934.44 is: 5,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.34 : 6,870.42 = 3,934.44 : x
  2. Step 2: Convert to fraction form
    4,979.34/6,870.42 = 3,934.44/x
  3. Step 3: Cross multiply
    4,979.34x = 6,870.42 × 3,934.44
  4. Step 4: Simplify right side
    4,979.34x = 27,031,255.26
  5. Step 5: Solve for x
    x = 27,031,255.26/4,979.34
  6. Step 6: Final answer
    x = 5,428.68

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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.