Home / 6,789.99-10,178.01-3,862.11

Finding the Fourth Proportional to 6,789.99, 10,178.01 and 3,862.11

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Solution

The fourth proportional to 6,789.99, 10,178.01 and 3,862.11 is: 5,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.99 : 10,178.01 = 3,862.11 : x
  2. Step 2: Convert to fraction form
    6,789.99/10,178.01 = 3,862.11/x
  3. Step 3: Cross multiply
    6,789.99x = 10,178.01 × 3,862.11
  4. Step 4: Simplify right side
    6,789.99x = 39,308,594.20
  5. Step 5: Solve for x
    x = 39,308,594.20/6,789.99
  6. Step 6: Final answer
    x = 5,789.20

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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.