Home / 7,531.11-11,288.50-3,365.38

Finding the Fourth Proportional to 7,531.11, 11,288.50 and 3,365.38

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Solution

The fourth proportional to 7,531.11, 11,288.50 and 3,365.38 is: 5,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.11 : 11,288.50 = 3,365.38 : x
  2. Step 2: Convert to fraction form
    7,531.11/11,288.50 = 3,365.38/x
  3. Step 3: Cross multiply
    7,531.11x = 11,288.50 × 3,365.38
  4. Step 4: Simplify right side
    7,531.11x = 37,990,097.83
  5. Step 5: Solve for x
    x = 37,990,097.83/7,531.11
  6. Step 6: Final answer
    x = 5,044.42

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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.