Home / 4,747.24-7,122.16-2,284.12

Finding the Fourth Proportional to 4,747.24, 7,122.16 and 2,284.12

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Solution

The fourth proportional to 4,747.24, 7,122.16 and 2,284.12 is: 3,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.24 : 7,122.16 = 2,284.12 : x
  2. Step 2: Convert to fraction form
    4,747.24/7,122.16 = 2,284.12/x
  3. Step 3: Cross multiply
    4,747.24x = 7,122.16 × 2,284.12
  4. Step 4: Simplify right side
    4,747.24x = 16,267,868.10
  5. Step 5: Solve for x
    x = 16,267,868.10/4,747.24
  6. Step 6: Final answer
    x = 3,426.81

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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.