Home / 7,428.24-11,144.30-3,269.07

Finding the Fourth Proportional to 7,428.24, 11,144.30 and 3,269.07

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Solution

The fourth proportional to 7,428.24, 11,144.30 and 3,269.07 is: 4,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.24 : 11,144.30 = 3,269.07 : x
  2. Step 2: Convert to fraction form
    7,428.24/11,144.30 = 3,269.07/x
  3. Step 3: Cross multiply
    7,428.24x = 11,144.30 × 3,269.07
  4. Step 4: Simplify right side
    7,428.24x = 36,431,480.46
  5. Step 5: Solve for x
    x = 36,431,480.46/7,428.24
  6. Step 6: Final answer
    x = 4,904.46

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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.