Home / 5,619.79-8,433.91-2,113.26

Finding the Fourth Proportional to 5,619.79, 8,433.91 and 2,113.26

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Solution

The fourth proportional to 5,619.79, 8,433.91 and 2,113.26 is: 3,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.79 : 8,433.91 = 2,113.26 : x
  2. Step 2: Convert to fraction form
    5,619.79/8,433.91 = 2,113.26/x
  3. Step 3: Cross multiply
    5,619.79x = 8,433.91 × 2,113.26
  4. Step 4: Simplify right side
    5,619.79x = 17,823,015.66
  5. Step 5: Solve for x
    x = 17,823,015.66/5,619.79
  6. Step 6: Final answer
    x = 3,171.47

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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.