Home / 10,379.79-15,572.32-2,984.09

Finding the Fourth Proportional to 10,379.79, 15,572.32 and 2,984.09

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Solution

The fourth proportional to 10,379.79, 15,572.32 and 2,984.09 is: 4,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.79 : 15,572.32 = 2,984.09 : x
  2. Step 2: Convert to fraction form
    10,379.79/15,572.32 = 2,984.09/x
  3. Step 3: Cross multiply
    10,379.79x = 15,572.32 × 2,984.09
  4. Step 4: Simplify right side
    10,379.79x = 46,469,119.07
  5. Step 5: Solve for x
    x = 46,469,119.07/10,379.79
  6. Step 6: Final answer
    x = 4,476.88

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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.