Home / 7,331.24-10,991.64-3,433.52

Finding the Fourth Proportional to 7,331.24, 10,991.64 and 3,433.52

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Solution

The fourth proportional to 7,331.24, 10,991.64 and 3,433.52 is: 5,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.24 : 10,991.64 = 3,433.52 : x
  2. Step 2: Convert to fraction form
    7,331.24/10,991.64 = 3,433.52/x
  3. Step 3: Cross multiply
    7,331.24x = 10,991.64 × 3,433.52
  4. Step 4: Simplify right side
    7,331.24x = 37,740,015.77
  5. Step 5: Solve for x
    x = 37,740,015.77/7,331.24
  6. Step 6: Final answer
    x = 5,147.84

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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.