Home / 5,728.20-8,594.06-3,129.32

Finding the Fourth Proportional to 5,728.20, 8,594.06 and 3,129.32

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Solution

The fourth proportional to 5,728.20, 8,594.06 and 3,129.32 is: 4,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.20 : 8,594.06 = 3,129.32 : x
  2. Step 2: Convert to fraction form
    5,728.20/8,594.06 = 3,129.32/x
  3. Step 3: Cross multiply
    5,728.20x = 8,594.06 × 3,129.32
  4. Step 4: Simplify right side
    5,728.20x = 26,893,505.22
  5. Step 5: Solve for x
    x = 26,893,505.22/5,728.20
  6. Step 6: Final answer
    x = 4,694.93

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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.