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Finding the Fourth Proportional to 7,273.70, 10,037.71 and 3,961.70

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Solution

The fourth proportional to 7,273.70, 10,037.71 and 3,961.70 is: 5,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.70 : 10,037.71 = 3,961.70 : x
  2. Step 2: Convert to fraction form
    7,273.70/10,037.71 = 3,961.70/x
  3. Step 3: Cross multiply
    7,273.70x = 10,037.71 × 3,961.70
  4. Step 4: Simplify right side
    7,273.70x = 39,766,395.71
  5. Step 5: Solve for x
    x = 39,766,395.71/7,273.70
  6. Step 6: Final answer
    x = 5,467.15

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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.