Home / 7,767.82-10,719.84-4,410.78

Finding the Fourth Proportional to 7,767.82, 10,719.84 and 4,410.78

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Solution

The fourth proportional to 7,767.82, 10,719.84 and 4,410.78 is: 6,087.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.82 : 10,719.84 = 4,410.78 : x
  2. Step 2: Convert to fraction form
    7,767.82/10,719.84 = 4,410.78/x
  3. Step 3: Cross multiply
    7,767.82x = 10,719.84 × 4,410.78
  4. Step 4: Simplify right side
    7,767.82x = 47,282,855.88
  5. Step 5: Solve for x
    x = 47,282,855.88/7,767.82
  6. Step 6: Final answer
    x = 6,087.02

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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.