Home / 5,622.75-7,756.17-4,108.38

Finding the Fourth Proportional to 5,622.75, 7,756.17 and 4,108.38

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Solution

The fourth proportional to 5,622.75, 7,756.17 and 4,108.38 is: 5,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.75 : 7,756.17 = 4,108.38 : x
  2. Step 2: Convert to fraction form
    5,622.75/7,756.17 = 4,108.38/x
  3. Step 3: Cross multiply
    5,622.75x = 7,756.17 × 4,108.38
  4. Step 4: Simplify right side
    5,622.75x = 31,865,293.70
  5. Step 5: Solve for x
    x = 31,865,293.70/5,622.75
  6. Step 6: Final answer
    x = 5,667.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.