Home / 5,360.40-7,394.28-3,122.03

Finding the Fourth Proportional to 5,360.40, 7,394.28 and 3,122.03

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Solution

The fourth proportional to 5,360.40, 7,394.28 and 3,122.03 is: 4,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.40 : 7,394.28 = 3,122.03 : x
  2. Step 2: Convert to fraction form
    5,360.40/7,394.28 = 3,122.03/x
  3. Step 3: Cross multiply
    5,360.40x = 7,394.28 × 3,122.03
  4. Step 4: Simplify right side
    5,360.40x = 23,085,163.99
  5. Step 5: Solve for x
    x = 23,085,163.99/5,360.40
  6. Step 6: Final answer
    x = 4,306.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.