Home / 5,825.70-8,737.74-2,127.78

Finding the Fourth Proportional to 5,825.70, 8,737.74 and 2,127.78

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Solution

The fourth proportional to 5,825.70, 8,737.74 and 2,127.78 is: 3,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.70 : 8,737.74 = 2,127.78 : x
  2. Step 2: Convert to fraction form
    5,825.70/8,737.74 = 2,127.78/x
  3. Step 3: Cross multiply
    5,825.70x = 8,737.74 × 2,127.78
  4. Step 4: Simplify right side
    5,825.70x = 18,591,988.42
  5. Step 5: Solve for x
    x = 18,591,988.42/5,825.70
  6. Step 6: Final answer
    x = 3,191.37

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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.