Home / 5,911.25-8,869.42-2,213.01

Finding the Fourth Proportional to 5,911.25, 8,869.42 and 2,213.01

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Solution

The fourth proportional to 5,911.25, 8,869.42 and 2,213.01 is: 3,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.25 : 8,869.42 = 2,213.01 : x
  2. Step 2: Convert to fraction form
    5,911.25/8,869.42 = 2,213.01/x
  3. Step 3: Cross multiply
    5,911.25x = 8,869.42 × 2,213.01
  4. Step 4: Simplify right side
    5,911.25x = 19,628,109.62
  5. Step 5: Solve for x
    x = 19,628,109.62/5,911.25
  6. Step 6: Final answer
    x = 3,320.47

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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.