Home / 6,603.60-9,112.66-3,619.36

Finding the Fourth Proportional to 6,603.60, 9,112.66 and 3,619.36

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Solution

The fourth proportional to 6,603.60, 9,112.66 and 3,619.36 is: 4,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.60 : 9,112.66 = 3,619.36 : x
  2. Step 2: Convert to fraction form
    6,603.60/9,112.66 = 3,619.36/x
  3. Step 3: Cross multiply
    6,603.60x = 9,112.66 × 3,619.36
  4. Step 4: Simplify right side
    6,603.60x = 32,981,997.10
  5. Step 5: Solve for x
    x = 32,981,997.10/6,603.60
  6. Step 6: Final answer
    x = 4,994.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.