Home / 7,238.42-10,837.64-3,720.83

Finding the Fourth Proportional to 7,238.42, 10,837.64 and 3,720.83

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Solution

The fourth proportional to 7,238.42, 10,837.64 and 3,720.83 is: 5,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.42 : 10,837.64 = 3,720.83 : x
  2. Step 2: Convert to fraction form
    7,238.42/10,837.64 = 3,720.83/x
  3. Step 3: Cross multiply
    7,238.42x = 10,837.64 × 3,720.83
  4. Step 4: Simplify right side
    7,238.42x = 40,324,943.25
  5. Step 5: Solve for x
    x = 40,324,943.25/7,238.42
  6. Step 6: Final answer
    x = 5,570.96

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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.