Home / 7,834.24-11,747.04-3,220.48

Finding the Fourth Proportional to 7,834.24, 11,747.04 and 3,220.48

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Solution

The fourth proportional to 7,834.24, 11,747.04 and 3,220.48 is: 4,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.24 : 11,747.04 = 3,220.48 : x
  2. Step 2: Convert to fraction form
    7,834.24/11,747.04 = 3,220.48/x
  3. Step 3: Cross multiply
    7,834.24x = 11,747.04 × 3,220.48
  4. Step 4: Simplify right side
    7,834.24x = 37,831,107.38
  5. Step 5: Solve for x
    x = 37,831,107.38/7,834.24
  6. Step 6: Final answer
    x = 4,828.94

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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.