Home / 7,862.24-11,789.09-3,904.82

Finding the Fourth Proportional to 7,862.24, 11,789.09 and 3,904.82

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Solution

The fourth proportional to 7,862.24, 11,789.09 and 3,904.82 is: 5,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.24 : 11,789.09 = 3,904.82 : x
  2. Step 2: Convert to fraction form
    7,862.24/11,789.09 = 3,904.82/x
  3. Step 3: Cross multiply
    7,862.24x = 11,789.09 × 3,904.82
  4. Step 4: Simplify right side
    7,862.24x = 46,034,215.47
  5. Step 5: Solve for x
    x = 46,034,215.47/7,862.24
  6. Step 6: Final answer
    x = 5,855.10

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1.5x scale

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.