Home / 5,340.75-7,369.82-3,102.27

Finding the Fourth Proportional to 5,340.75, 7,369.82 and 3,102.27

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Solution

The fourth proportional to 5,340.75, 7,369.82 and 3,102.27 is: 4,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.75 : 7,369.82 = 3,102.27 : x
  2. Step 2: Convert to fraction form
    5,340.75/7,369.82 = 3,102.27/x
  3. Step 3: Cross multiply
    5,340.75x = 7,369.82 × 3,102.27
  4. Step 4: Simplify right side
    5,340.75x = 22,863,155.98
  5. Step 5: Solve for x
    x = 22,863,155.98/5,340.75
  6. Step 6: Final answer
    x = 4,280.89

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1.5x scale

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.