Home / 4,622.75-6,375.47-3,908.42

Finding the Fourth Proportional to 4,622.75, 6,375.47 and 3,908.42

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Solution

The fourth proportional to 4,622.75, 6,375.47 and 3,908.42 is: 5,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.75 : 6,375.47 = 3,908.42 : x
  2. Step 2: Convert to fraction form
    4,622.75/6,375.47 = 3,908.42/x
  3. Step 3: Cross multiply
    4,622.75x = 6,375.47 × 3,908.42
  4. Step 4: Simplify right side
    4,622.75x = 24,917,988.75
  5. Step 5: Solve for x
    x = 24,917,988.75/4,622.75
  6. Step 6: Final answer
    x = 5,390.29

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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.