Home / 5,356.36-7,391.92-2,998.65

Finding the Fourth Proportional to 5,356.36, 7,391.92 and 2,998.65

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Solution

The fourth proportional to 5,356.36, 7,391.92 and 2,998.65 is: 4,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.36 : 7,391.92 = 2,998.65 : x
  2. Step 2: Convert to fraction form
    5,356.36/7,391.92 = 2,998.65/x
  3. Step 3: Cross multiply
    5,356.36x = 7,391.92 × 2,998.65
  4. Step 4: Simplify right side
    5,356.36x = 22,165,780.91
  5. Step 5: Solve for x
    x = 22,165,780.91/5,356.36
  6. Step 6: Final answer
    x = 4,138.22

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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.