Home / 5,813.96-8,721.36-2,351.12

Finding the Fourth Proportional to 5,813.96, 8,721.36 and 2,351.12

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Solution

The fourth proportional to 5,813.96, 8,721.36 and 2,351.12 is: 3,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.96 : 8,721.36 = 2,351.12 : x
  2. Step 2: Convert to fraction form
    5,813.96/8,721.36 = 2,351.12/x
  3. Step 3: Cross multiply
    5,813.96x = 8,721.36 × 2,351.12
  4. Step 4: Simplify right side
    5,813.96x = 20,504,963.92
  5. Step 5: Solve for x
    x = 20,504,963.92/5,813.96
  6. Step 6: Final answer
    x = 3,526.85

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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.