Home / 7,372.14-10,173.78-4,227.72

Finding the Fourth Proportional to 7,372.14, 10,173.78 and 4,227.72

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Solution

The fourth proportional to 7,372.14, 10,173.78 and 4,227.72 is: 5,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.14 : 10,173.78 = 4,227.72 : x
  2. Step 2: Convert to fraction form
    7,372.14/10,173.78 = 4,227.72/x
  3. Step 3: Cross multiply
    7,372.14x = 10,173.78 × 4,227.72
  4. Step 4: Simplify right side
    7,372.14x = 43,011,893.18
  5. Step 5: Solve for x
    x = 43,011,893.18/7,372.14
  6. Step 6: Final answer
    x = 5,834.38

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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.