Home / 7,351.90-11,027.85-1,805.28

Finding the Fourth Proportional to 7,351.90, 11,027.85 and 1,805.28

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Solution

The fourth proportional to 7,351.90, 11,027.85 and 1,805.28 is: 2,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.90 : 11,027.85 = 1,805.28 : x
  2. Step 2: Convert to fraction form
    7,351.90/11,027.85 = 1,805.28/x
  3. Step 3: Cross multiply
    7,351.90x = 11,027.85 × 1,805.28
  4. Step 4: Simplify right side
    7,351.90x = 19,908,357.05
  5. Step 5: Solve for x
    x = 19,908,357.05/7,351.90
  6. Step 6: Final answer
    x = 2,707.92

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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.