Home / 5,309.04-7,961.76-2,385.75

Finding the Fourth Proportional to 5,309.04, 7,961.76 and 2,385.75

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Solution

The fourth proportional to 5,309.04, 7,961.76 and 2,385.75 is: 3,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.04 : 7,961.76 = 2,385.75 : x
  2. Step 2: Convert to fraction form
    5,309.04/7,961.76 = 2,385.75/x
  3. Step 3: Cross multiply
    5,309.04x = 7,961.76 × 2,385.75
  4. Step 4: Simplify right side
    5,309.04x = 18,994,768.92
  5. Step 5: Solve for x
    x = 18,994,768.92/5,309.04
  6. Step 6: Final answer
    x = 3,577.82

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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.