Home / 6,765.87-9,337.34-3,781.83

Finding the Fourth Proportional to 6,765.87, 9,337.34 and 3,781.83

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Solution

The fourth proportional to 6,765.87, 9,337.34 and 3,781.83 is: 5,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.87 : 9,337.34 = 3,781.83 : x
  2. Step 2: Convert to fraction form
    6,765.87/9,337.34 = 3,781.83/x
  3. Step 3: Cross multiply
    6,765.87x = 9,337.34 × 3,781.83
  4. Step 4: Simplify right side
    6,765.87x = 35,312,213.62
  5. Step 5: Solve for x
    x = 35,312,213.62/6,765.87
  6. Step 6: Final answer
    x = 5,219.17

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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.