Home / 7,403.82-11,084.16-3,885.51

Finding the Fourth Proportional to 7,403.82, 11,084.16 and 3,885.51

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Solution

The fourth proportional to 7,403.82, 11,084.16 and 3,885.51 is: 5,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.82 : 11,084.16 = 3,885.51 : x
  2. Step 2: Convert to fraction form
    7,403.82/11,084.16 = 3,885.51/x
  3. Step 3: Cross multiply
    7,403.82x = 11,084.16 × 3,885.51
  4. Step 4: Simplify right side
    7,403.82x = 43,067,614.52
  5. Step 5: Solve for x
    x = 43,067,614.52/7,403.82
  6. Step 6: Final answer
    x = 5,816.95

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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.