Home / 5,356.32-7,391.88-2,998.86

Finding the Fourth Proportional to 5,356.32, 7,391.88 and 2,998.86

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Solution

The fourth proportional to 5,356.32, 7,391.88 and 2,998.86 is: 4,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.32 : 7,391.88 = 2,998.86 : x
  2. Step 2: Convert to fraction form
    5,356.32/7,391.88 = 2,998.86/x
  3. Step 3: Cross multiply
    5,356.32x = 7,391.88 × 2,998.86
  4. Step 4: Simplify right side
    5,356.32x = 22,167,213.26
  5. Step 5: Solve for x
    x = 22,167,213.26/5,356.32
  6. Step 6: Final answer
    x = 4,138.52

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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.