Home / 4,191.99-6,278.40-2,002.25

Finding the Fourth Proportional to 4,191.99, 6,278.40 and 2,002.25

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Solution

The fourth proportional to 4,191.99, 6,278.40 and 2,002.25 is: 2,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.99 : 6,278.40 = 2,002.25 : x
  2. Step 2: Convert to fraction form
    4,191.99/6,278.40 = 2,002.25/x
  3. Step 3: Cross multiply
    4,191.99x = 6,278.40 × 2,002.25
  4. Step 4: Simplify right side
    4,191.99x = 12,570,895.01
  5. Step 5: Solve for x
    x = 12,570,895.01/4,191.99
  6. Step 6: Final answer
    x = 2,998.79

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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.