Home / 5,721.56-7,895.67-3,203.66

Finding the Fourth Proportional to 5,721.56, 7,895.67 and 3,203.66

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Solution

The fourth proportional to 5,721.56, 7,895.67 and 3,203.66 is: 4,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.56 : 7,895.67 = 3,203.66 : x
  2. Step 2: Convert to fraction form
    5,721.56/7,895.67 = 3,203.66/x
  3. Step 3: Cross multiply
    5,721.56x = 7,895.67 × 3,203.66
  4. Step 4: Simplify right side
    5,721.56x = 25,295,061.89
  5. Step 5: Solve for x
    x = 25,295,061.89/5,721.56
  6. Step 6: Final answer
    x = 4,421.01

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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.