Home / 10,640.80-15,959.98-2,850.24

Finding the Fourth Proportional to 10,640.80, 15,959.98 and 2,850.24

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Solution

The fourth proportional to 10,640.80, 15,959.98 and 2,850.24 is: 4,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.80 : 15,959.98 = 2,850.24 : x
  2. Step 2: Convert to fraction form
    10,640.80/15,959.98 = 2,850.24/x
  3. Step 3: Cross multiply
    10,640.80x = 15,959.98 × 2,850.24
  4. Step 4: Simplify right side
    10,640.80x = 45,489,773.40
  5. Step 5: Solve for x
    x = 45,489,773.40/10,640.80
  6. Step 6: Final answer
    x = 4,275.03

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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.