Home / 5,721-7,894.18-3,203.24

Finding the Fourth Proportional to 5,721, 7,894.18 and 3,203.24

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Solution

The fourth proportional to 5,721, 7,894.18 and 3,203.24 is: 4,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721 : 7,894.18 = 3,203.24 : x
  2. Step 2: Convert to fraction form
    5,721/7,894.18 = 3,203.24/x
  3. Step 3: Cross multiply
    5,721x = 7,894.18 × 3,203.24
  4. Step 4: Simplify right side
    5,721x = 25,286,953.14
  5. Step 5: Solve for x
    x = 25,286,953.14/5,721
  6. Step 6: Final answer
    x = 4,420.02

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1.5x scale

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.