Home / 5,911.47-8,867.43-2,213.31

Finding the Fourth Proportional to 5,911.47, 8,867.43 and 2,213.31

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Solution

The fourth proportional to 5,911.47, 8,867.43 and 2,213.31 is: 3,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.47 : 8,867.43 = 2,213.31 : x
  2. Step 2: Convert to fraction form
    5,911.47/8,867.43 = 2,213.31/x
  3. Step 3: Cross multiply
    5,911.47x = 8,867.43 × 2,213.31
  4. Step 4: Simplify right side
    5,911.47x = 19,626,371.49
  5. Step 5: Solve for x
    x = 19,626,371.49/5,911.47
  6. Step 6: Final answer
    x = 3,320.05

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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.