Home / 5,917.46-8,878.91-2,219.19

Finding the Fourth Proportional to 5,917.46, 8,878.91 and 2,219.19

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Solution

The fourth proportional to 5,917.46, 8,878.91 and 2,219.19 is: 3,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.46 : 8,878.91 = 2,219.19 : x
  2. Step 2: Convert to fraction form
    5,917.46/8,878.91 = 2,219.19/x
  3. Step 3: Cross multiply
    5,917.46x = 8,878.91 × 2,219.19
  4. Step 4: Simplify right side
    5,917.46x = 19,703,977.19
  5. Step 5: Solve for x
    x = 19,703,977.19/5,917.46
  6. Step 6: Final answer
    x = 3,329.81

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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.