Home / 5,086.99-7,622.18-2,618.31

Finding the Fourth Proportional to 5,086.99, 7,622.18 and 2,618.31

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Solution

The fourth proportional to 5,086.99, 7,622.18 and 2,618.31 is: 3,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.99 : 7,622.18 = 2,618.31 : x
  2. Step 2: Convert to fraction form
    5,086.99/7,622.18 = 2,618.31/x
  3. Step 3: Cross multiply
    5,086.99x = 7,622.18 × 2,618.31
  4. Step 4: Simplify right side
    5,086.99x = 19,957,230.12
  5. Step 5: Solve for x
    x = 19,957,230.12/5,086.99
  6. Step 6: Final answer
    x = 3,923.19

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1.5x scale

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.