Home / 8,980.03-13,463.79-3,979.69

Finding the Fourth Proportional to 8,980.03, 13,463.79 and 3,979.69

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Solution

The fourth proportional to 8,980.03, 13,463.79 and 3,979.69 is: 5,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.03 : 13,463.79 = 3,979.69 : x
  2. Step 2: Convert to fraction form
    8,980.03/13,463.79 = 3,979.69/x
  3. Step 3: Cross multiply
    8,980.03x = 13,463.79 × 3,979.69
  4. Step 4: Simplify right side
    8,980.03x = 53,581,676.77
  5. Step 5: Solve for x
    x = 53,581,676.77/8,980.03
  6. Step 6: Final answer
    x = 5,966.76

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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.