Home / 5,120.31-7,684.57-2,348.29

Finding the Fourth Proportional to 5,120.31, 7,684.57 and 2,348.29

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Solution

The fourth proportional to 5,120.31, 7,684.57 and 2,348.29 is: 3,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.31 : 7,684.57 = 2,348.29 : x
  2. Step 2: Convert to fraction form
    5,120.31/7,684.57 = 2,348.29/x
  3. Step 3: Cross multiply
    5,120.31x = 7,684.57 × 2,348.29
  4. Step 4: Simplify right side
    5,120.31x = 18,045,611.43
  5. Step 5: Solve for x
    x = 18,045,611.43/5,120.31
  6. Step 6: Final answer
    x = 3,524.32

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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.