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Finding the Fourth Proportional to 5,821.92, 8,737.38 and 2,127.69

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Solution

The fourth proportional to 5,821.92, 8,737.38 and 2,127.69 is: 3,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.92 : 8,737.38 = 2,127.69 : x
  2. Step 2: Convert to fraction form
    5,821.92/8,737.38 = 2,127.69/x
  3. Step 3: Cross multiply
    5,821.92x = 8,737.38 × 2,127.69
  4. Step 4: Simplify right side
    5,821.92x = 18,590,436.05
  5. Step 5: Solve for x
    x = 18,590,436.05/5,821.92
  6. Step 6: Final answer
    x = 3,193.18

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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.