Home / 7,642.23-11,448.44-3,633.92

Finding the Fourth Proportional to 7,642.23, 11,448.44 and 3,633.92

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Solution

The fourth proportional to 7,642.23, 11,448.44 and 3,633.92 is: 5,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.23 : 11,448.44 = 3,633.92 : x
  2. Step 2: Convert to fraction form
    7,642.23/11,448.44 = 3,633.92/x
  3. Step 3: Cross multiply
    7,642.23x = 11,448.44 × 3,633.92
  4. Step 4: Simplify right side
    7,642.23x = 41,602,639.67
  5. Step 5: Solve for x
    x = 41,602,639.67/7,642.23
  6. Step 6: Final answer
    x = 5,443.78

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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.