Home / 7,238.41-10,837.64-3,720.83

Finding the Fourth Proportional to 7,238.41, 10,837.64 and 3,720.83

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Solution

The fourth proportional to 7,238.41, 10,837.64 and 3,720.83 is: 5,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.41 : 10,837.64 = 3,720.83 : x
  2. Step 2: Convert to fraction form
    7,238.41/10,837.64 = 3,720.83/x
  3. Step 3: Cross multiply
    7,238.41x = 10,837.64 × 3,720.83
  4. Step 4: Simplify right side
    7,238.41x = 40,324,971.16
  5. Step 5: Solve for x
    x = 40,324,971.16/7,238.41
  6. Step 6: Final answer
    x = 5,570.97

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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.