Home / 10,306.08-15,454.26-3,979.98

Finding the Fourth Proportional to 10,306.08, 15,454.26 and 3,979.98

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Solution

The fourth proportional to 10,306.08, 15,454.26 and 3,979.98 is: 5,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.08 : 15,454.26 = 3,979.98 : x
  2. Step 2: Convert to fraction form
    10,306.08/15,454.26 = 3,979.98/x
  3. Step 3: Cross multiply
    10,306.08x = 15,454.26 × 3,979.98
  4. Step 4: Simplify right side
    10,306.08x = 61,507,645.71
  5. Step 5: Solve for x
    x = 61,507,645.71/10,306.08
  6. Step 6: Final answer
    x = 5,968.09

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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.