Home / 9,327.90-13,979.70-3,776.70

Finding the Fourth Proportional to 9,327.90, 13,979.70 and 3,776.70

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Solution

The fourth proportional to 9,327.90, 13,979.70 and 3,776.70 is: 5,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.90 : 13,979.70 = 3,776.70 : x
  2. Step 2: Convert to fraction form
    9,327.90/13,979.70 = 3,776.70/x
  3. Step 3: Cross multiply
    9,327.90x = 13,979.70 × 3,776.70
  4. Step 4: Simplify right side
    9,327.90x = 52,797,132.99
  5. Step 5: Solve for x
    x = 52,797,132.99/9,327.90
  6. Step 6: Final answer
    x = 5,660.13

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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.