Home / 7,456.84-11,189.94-3,561.28

Finding the Fourth Proportional to 7,456.84, 11,189.94 and 3,561.28

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Solution

The fourth proportional to 7,456.84, 11,189.94 and 3,561.28 is: 5,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.84 : 11,189.94 = 3,561.28 : x
  2. Step 2: Convert to fraction form
    7,456.84/11,189.94 = 3,561.28/x
  3. Step 3: Cross multiply
    7,456.84x = 11,189.94 × 3,561.28
  4. Step 4: Simplify right side
    7,456.84x = 39,850,509.52
  5. Step 5: Solve for x
    x = 39,850,509.52/7,456.84
  6. Step 6: Final answer
    x = 5,344.16

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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.