Home / 5,356.58-7,391.99-2,998.72

Finding the Fourth Proportional to 5,356.58, 7,391.99 and 2,998.72

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Solution

The fourth proportional to 5,356.58, 7,391.99 and 2,998.72 is: 4,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.58 : 7,391.99 = 2,998.72 : x
  2. Step 2: Convert to fraction form
    5,356.58/7,391.99 = 2,998.72/x
  3. Step 3: Cross multiply
    5,356.58x = 7,391.99 × 2,998.72
  4. Step 4: Simplify right side
    5,356.58x = 22,166,508.25
  5. Step 5: Solve for x
    x = 22,166,508.25/5,356.58
  6. Step 6: Final answer
    x = 4,138.18

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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.