Home / 5,340.18-7,369.38-2,982.36

Finding the Fourth Proportional to 5,340.18, 7,369.38 and 2,982.36

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Solution

The fourth proportional to 5,340.18, 7,369.38 and 2,982.36 is: 4,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.18 : 7,369.38 = 2,982.36 : x
  2. Step 2: Convert to fraction form
    5,340.18/7,369.38 = 2,982.36/x
  3. Step 3: Cross multiply
    5,340.18x = 7,369.38 × 2,982.36
  4. Step 4: Simplify right side
    5,340.18x = 21,978,144.14
  5. Step 5: Solve for x
    x = 21,978,144.14/5,340.18
  6. Step 6: Final answer
    x = 4,115.62

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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.