Home / 7,405.54-11,108.31-3,020.11

Finding the Fourth Proportional to 7,405.54, 11,108.31 and 3,020.11

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Solution

The fourth proportional to 7,405.54, 11,108.31 and 3,020.11 is: 4,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.54 : 11,108.31 = 3,020.11 : x
  2. Step 2: Convert to fraction form
    7,405.54/11,108.31 = 3,020.11/x
  3. Step 3: Cross multiply
    7,405.54x = 11,108.31 × 3,020.11
  4. Step 4: Simplify right side
    7,405.54x = 33,548,318.11
  5. Step 5: Solve for x
    x = 33,548,318.11/7,405.54
  6. Step 6: Final answer
    x = 4,530.17

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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.