Home / 9,328.20-13,992.42-2,754.48

Finding the Fourth Proportional to 9,328.20, 13,992.42 and 2,754.48

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Solution

The fourth proportional to 9,328.20, 13,992.42 and 2,754.48 is: 4,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.20 : 13,992.42 = 2,754.48 : x
  2. Step 2: Convert to fraction form
    9,328.20/13,992.42 = 2,754.48/x
  3. Step 3: Cross multiply
    9,328.20x = 13,992.42 × 2,754.48
  4. Step 4: Simplify right side
    9,328.20x = 38,541,841.04
  5. Step 5: Solve for x
    x = 38,541,841.04/9,328.20
  6. Step 6: Final answer
    x = 4,131.76

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1.5x scale

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.