Home / 5,728.29-8,590.66-2,218.02

Finding the Fourth Proportional to 5,728.29, 8,590.66 and 2,218.02

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Solution

The fourth proportional to 5,728.29, 8,590.66 and 2,218.02 is: 3,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.29 : 8,590.66 = 2,218.02 : x
  2. Step 2: Convert to fraction form
    5,728.29/8,590.66 = 2,218.02/x
  3. Step 3: Cross multiply
    5,728.29x = 8,590.66 × 2,218.02
  4. Step 4: Simplify right side
    5,728.29x = 19,054,217.93
  5. Step 5: Solve for x
    x = 19,054,217.93/5,728.29
  6. Step 6: Final answer
    x = 3,326.34

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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.