Home / 5,309.60-7,325.90-3,540.02

Finding the Fourth Proportional to 5,309.60, 7,325.90 and 3,540.02

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Solution

The fourth proportional to 5,309.60, 7,325.90 and 3,540.02 is: 4,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.60 : 7,325.90 = 3,540.02 : x
  2. Step 2: Convert to fraction form
    5,309.60/7,325.90 = 3,540.02/x
  3. Step 3: Cross multiply
    5,309.60x = 7,325.90 × 3,540.02
  4. Step 4: Simplify right side
    5,309.60x = 25,933,832.52
  5. Step 5: Solve for x
    x = 25,933,832.52/5,309.60
  6. Step 6: Final answer
    x = 4,884.33

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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.