Home / 4,890.24-6,745.68-3,119.04

Finding the Fourth Proportional to 4,890.24, 6,745.68 and 3,119.04

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Solution

The fourth proportional to 4,890.24, 6,745.68 and 3,119.04 is: 4,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.24 : 6,745.68 = 3,119.04 : x
  2. Step 2: Convert to fraction form
    4,890.24/6,745.68 = 3,119.04/x
  3. Step 3: Cross multiply
    4,890.24x = 6,745.68 × 3,119.04
  4. Step 4: Simplify right side
    4,890.24x = 21,040,045.75
  5. Step 5: Solve for x
    x = 21,040,045.75/4,890.24
  6. Step 6: Final answer
    x = 4,302.46

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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.