Home / 5,166.90-7,750.41-1,469.39

Finding the Fourth Proportional to 5,166.90, 7,750.41 and 1,469.39

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Solution

The fourth proportional to 5,166.90, 7,750.41 and 1,469.39 is: 2,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.90 : 7,750.41 = 1,469.39 : x
  2. Step 2: Convert to fraction form
    5,166.90/7,750.41 = 1,469.39/x
  3. Step 3: Cross multiply
    5,166.90x = 7,750.41 × 1,469.39
  4. Step 4: Simplify right side
    5,166.90x = 11,388,378.42
  5. Step 5: Solve for x
    x = 11,388,378.42/5,166.90
  6. Step 6: Final answer
    x = 2,204.10

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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.