Home / 7,456.07-11,186.69-3,755.28

Finding the Fourth Proportional to 7,456.07, 11,186.69 and 3,755.28

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Solution

The fourth proportional to 7,456.07, 11,186.69 and 3,755.28 is: 5,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.07 : 11,186.69 = 3,755.28 : x
  2. Step 2: Convert to fraction form
    7,456.07/11,186.69 = 3,755.28/x
  3. Step 3: Cross multiply
    7,456.07x = 11,186.69 × 3,755.28
  4. Step 4: Simplify right side
    7,456.07x = 42,009,153.22
  5. Step 5: Solve for x
    x = 42,009,153.22/7,456.07
  6. Step 6: Final answer
    x = 5,634.22

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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.