Home / 6,861.29-9,468.09-4,028.79

Finding the Fourth Proportional to 6,861.29, 9,468.09 and 4,028.79

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Solution

The fourth proportional to 6,861.29, 9,468.09 and 4,028.79 is: 5,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.29 : 9,468.09 = 4,028.79 : x
  2. Step 2: Convert to fraction form
    6,861.29/9,468.09 = 4,028.79/x
  3. Step 3: Cross multiply
    6,861.29x = 9,468.09 × 4,028.79
  4. Step 4: Simplify right side
    6,861.29x = 38,144,928.56
  5. Step 5: Solve for x
    x = 38,144,928.56/6,861.29
  6. Step 6: Final answer
    x = 5,559.44

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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.