Home / 5,919.69-8,880.75-2,221.91

Finding the Fourth Proportional to 5,919.69, 8,880.75 and 2,221.91

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Solution

The fourth proportional to 5,919.69, 8,880.75 and 2,221.91 is: 3,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.69 : 8,880.75 = 2,221.91 : x
  2. Step 2: Convert to fraction form
    5,919.69/8,880.75 = 2,221.91/x
  3. Step 3: Cross multiply
    5,919.69x = 8,880.75 × 2,221.91
  4. Step 4: Simplify right side
    5,919.69x = 19,732,182.83
  5. Step 5: Solve for x
    x = 19,732,182.83/5,919.69
  6. Step 6: Final answer
    x = 3,333.31

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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.