Home / 5,619.59-7,755.38-3,230.33

Finding the Fourth Proportional to 5,619.59, 7,755.38 and 3,230.33

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Solution

The fourth proportional to 5,619.59, 7,755.38 and 3,230.33 is: 4,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.59 : 7,755.38 = 3,230.33 : x
  2. Step 2: Convert to fraction form
    5,619.59/7,755.38 = 3,230.33/x
  3. Step 3: Cross multiply
    5,619.59x = 7,755.38 × 3,230.33
  4. Step 4: Simplify right side
    5,619.59x = 25,052,381.75
  5. Step 5: Solve for x
    x = 25,052,381.75/5,619.59
  6. Step 6: Final answer
    x = 4,458.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.