Home / 5,359.96-7,396.68-3,122.20

Finding the Fourth Proportional to 5,359.96, 7,396.68 and 3,122.20

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Solution

The fourth proportional to 5,359.96, 7,396.68 and 3,122.20 is: 4,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.96 : 7,396.68 = 3,122.20 : x
  2. Step 2: Convert to fraction form
    5,359.96/7,396.68 = 3,122.20/x
  3. Step 3: Cross multiply
    5,359.96x = 7,396.68 × 3,122.20
  4. Step 4: Simplify right side
    5,359.96x = 23,093,914.30
  5. Step 5: Solve for x
    x = 23,093,914.30/5,359.96
  6. Step 6: Final answer
    x = 4,308.60

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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.