Home / 5,112.75-7,669.11-1,603.03

Finding the Fourth Proportional to 5,112.75, 7,669.11 and 1,603.03

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Solution

The fourth proportional to 5,112.75, 7,669.11 and 1,603.03 is: 2,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.75 : 7,669.11 = 1,603.03 : x
  2. Step 2: Convert to fraction form
    5,112.75/7,669.11 = 1,603.03/x
  3. Step 3: Cross multiply
    5,112.75x = 7,669.11 × 1,603.03
  4. Step 4: Simplify right side
    5,112.75x = 12,293,813.40
  5. Step 5: Solve for x
    x = 12,293,813.40/5,112.75
  6. Step 6: Final answer
    x = 2,404.54

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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.