Home / 5,910.86-8,157.38-3,393.79

Finding the Fourth Proportional to 5,910.86, 8,157.38 and 3,393.79

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Solution

The fourth proportional to 5,910.86, 8,157.38 and 3,393.79 is: 4,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.86 : 8,157.38 = 3,393.79 : x
  2. Step 2: Convert to fraction form
    5,910.86/8,157.38 = 3,393.79/x
  3. Step 3: Cross multiply
    5,910.86x = 8,157.38 × 3,393.79
  4. Step 4: Simplify right side
    5,910.86x = 27,684,397.31
  5. Step 5: Solve for x
    x = 27,684,397.31/5,910.86
  6. Step 6: Final answer
    x = 4,683.65

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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.