Home / 5,965.60-8,945.88-3,191.68

Finding the Fourth Proportional to 5,965.60, 8,945.88 and 3,191.68

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Solution

The fourth proportional to 5,965.60, 8,945.88 and 3,191.68 is: 4,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,965.60 : 8,945.88 = 3,191.68 : x
  2. Step 2: Convert to fraction form
    5,965.60/8,945.88 = 3,191.68/x
  3. Step 3: Cross multiply
    5,965.60x = 8,945.88 × 3,191.68
  4. Step 4: Simplify right side
    5,965.60x = 28,552,386.28
  5. Step 5: Solve for x
    x = 28,552,386.28/5,965.60
  6. Step 6: Final answer
    x = 4,786.17

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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.