Home / 7,754.10-11,630.97-2,489.13

Finding the Fourth Proportional to 7,754.10, 11,630.97 and 2,489.13

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Solution

The fourth proportional to 7,754.10, 11,630.97 and 2,489.13 is: 3,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.10 : 11,630.97 = 2,489.13 : x
  2. Step 2: Convert to fraction form
    7,754.10/11,630.97 = 2,489.13/x
  3. Step 3: Cross multiply
    7,754.10x = 11,630.97 × 2,489.13
  4. Step 4: Simplify right side
    7,754.10x = 28,950,938.20
  5. Step 5: Solve for x
    x = 28,950,938.20/7,754.10
  6. Step 6: Final answer
    x = 3,733.63

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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.