Home / 6,119.09-9,177.85-1,958.75

Finding the Fourth Proportional to 6,119.09, 9,177.85 and 1,958.75

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Solution

The fourth proportional to 6,119.09, 9,177.85 and 1,958.75 is: 2,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.09 : 9,177.85 = 1,958.75 : x
  2. Step 2: Convert to fraction form
    6,119.09/9,177.85 = 1,958.75/x
  3. Step 3: Cross multiply
    6,119.09x = 9,177.85 × 1,958.75
  4. Step 4: Simplify right side
    6,119.09x = 17,977,113.69
  5. Step 5: Solve for x
    x = 17,977,113.69/6,119.09
  6. Step 6: Final answer
    x = 2,937.87

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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.