Home / 5,820-8,032.41-3,728.58

Finding the Fourth Proportional to 5,820, 8,032.41 and 3,728.58

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Solution

The fourth proportional to 5,820, 8,032.41 and 3,728.58 is: 5,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820 : 8,032.41 = 3,728.58 : x
  2. Step 2: Convert to fraction form
    5,820/8,032.41 = 3,728.58/x
  3. Step 3: Cross multiply
    5,820x = 8,032.41 × 3,728.58
  4. Step 4: Simplify right side
    5,820x = 29,949,483.28
  5. Step 5: Solve for x
    x = 29,949,483.28/5,820
  6. Step 6: Final answer
    x = 5,145.96

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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.