Home / 7,341.19-11,013.82-2,147.06

Finding the Fourth Proportional to 7,341.19, 11,013.82 and 2,147.06

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Solution

The fourth proportional to 7,341.19, 11,013.82 and 2,147.06 is: 3,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.19 : 11,013.82 = 2,147.06 : x
  2. Step 2: Convert to fraction form
    7,341.19/11,013.82 = 2,147.06/x
  3. Step 3: Cross multiply
    7,341.19x = 11,013.82 × 2,147.06
  4. Step 4: Simplify right side
    7,341.19x = 23,647,354.54
  5. Step 5: Solve for x
    x = 23,647,354.54/7,341.19
  6. Step 6: Final answer
    x = 3,221.19

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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.