Home / 5,728.61-8,591.34-2,218.97

Finding the Fourth Proportional to 5,728.61, 8,591.34 and 2,218.97

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Solution

The fourth proportional to 5,728.61, 8,591.34 and 2,218.97 is: 3,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.61 : 8,591.34 = 2,218.97 : x
  2. Step 2: Convert to fraction form
    5,728.61/8,591.34 = 2,218.97/x
  3. Step 3: Cross multiply
    5,728.61x = 8,591.34 × 2,218.97
  4. Step 4: Simplify right side
    5,728.61x = 19,063,925.72
  5. Step 5: Solve for x
    x = 19,063,925.72/5,728.61
  6. Step 6: Final answer
    x = 3,327.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.