Home / 5,286.92-7,296.21-2,929.07

Finding the Fourth Proportional to 5,286.92, 7,296.21 and 2,929.07

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Solution

The fourth proportional to 5,286.92, 7,296.21 and 2,929.07 is: 4,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.92 : 7,296.21 = 2,929.07 : x
  2. Step 2: Convert to fraction form
    5,286.92/7,296.21 = 2,929.07/x
  3. Step 3: Cross multiply
    5,286.92x = 7,296.21 × 2,929.07
  4. Step 4: Simplify right side
    5,286.92x = 21,371,109.82
  5. Step 5: Solve for x
    x = 21,371,109.82/5,286.92
  6. Step 6: Final answer
    x = 4,042.26

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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.