Home / 5,269.62-7,272.09-2,911.71

Finding the Fourth Proportional to 5,269.62, 7,272.09 and 2,911.71

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Solution

The fourth proportional to 5,269.62, 7,272.09 and 2,911.71 is: 4,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.62 : 7,272.09 = 2,911.71 : x
  2. Step 2: Convert to fraction form
    5,269.62/7,272.09 = 2,911.71/x
  3. Step 3: Cross multiply
    5,269.62x = 7,272.09 × 2,911.71
  4. Step 4: Simplify right side
    5,269.62x = 21,174,217.17
  5. Step 5: Solve for x
    x = 21,174,217.17/5,269.62
  6. Step 6: Final answer
    x = 4,018.17

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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.