Home / 6,880.08-10,320.66-1,949.79

Finding the Fourth Proportional to 6,880.08, 10,320.66 and 1,949.79

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Solution

The fourth proportional to 6,880.08, 10,320.66 and 1,949.79 is: 2,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.08 : 10,320.66 = 1,949.79 : x
  2. Step 2: Convert to fraction form
    6,880.08/10,320.66 = 1,949.79/x
  3. Step 3: Cross multiply
    6,880.08x = 10,320.66 × 1,949.79
  4. Step 4: Simplify right side
    6,880.08x = 20,123,119.66
  5. Step 5: Solve for x
    x = 20,123,119.66/6,880.08
  6. Step 6: Final answer
    x = 2,924.84

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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.