Home / 5,622.25-8,433.78-2,159.50

Finding the Fourth Proportional to 5,622.25, 8,433.78 and 2,159.50

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Solution

The fourth proportional to 5,622.25, 8,433.78 and 2,159.50 is: 3,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.25 : 8,433.78 = 2,159.50 : x
  2. Step 2: Convert to fraction form
    5,622.25/8,433.78 = 2,159.50/x
  3. Step 3: Cross multiply
    5,622.25x = 8,433.78 × 2,159.50
  4. Step 4: Simplify right side
    5,622.25x = 18,212,747.91
  5. Step 5: Solve for x
    x = 18,212,747.91/5,622.25
  6. Step 6: Final answer
    x = 3,239.41

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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.