Home / 4,015.80-6,025.62-3,151.80

Finding the Fourth Proportional to 4,015.80, 6,025.62 and 3,151.80

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Solution

The fourth proportional to 4,015.80, 6,025.62 and 3,151.80 is: 4,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.80 : 6,025.62 = 3,151.80 : x
  2. Step 2: Convert to fraction form
    4,015.80/6,025.62 = 3,151.80/x
  3. Step 3: Cross multiply
    4,015.80x = 6,025.62 × 3,151.80
  4. Step 4: Simplify right side
    4,015.80x = 18,991,549.12
  5. Step 5: Solve for x
    x = 18,991,549.12/4,015.80
  6. Step 6: Final answer
    x = 4,729.21

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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.