Home / 5,721.21-7,895.57-3,203.30

Finding the Fourth Proportional to 5,721.21, 7,895.57 and 3,203.30

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Solution

The fourth proportional to 5,721.21, 7,895.57 and 3,203.30 is: 4,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.21 : 7,895.57 = 3,203.30 : x
  2. Step 2: Convert to fraction form
    5,721.21/7,895.57 = 3,203.30/x
  3. Step 3: Cross multiply
    5,721.21x = 7,895.57 × 3,203.30
  4. Step 4: Simplify right side
    5,721.21x = 25,291,883.10
  5. Step 5: Solve for x
    x = 25,291,883.10/5,721.21
  6. Step 6: Final answer
    x = 4,420.72

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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.