Home / 5,262.16-7,261.82-2,872.30

Finding the Fourth Proportional to 5,262.16, 7,261.82 and 2,872.30

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Solution

The fourth proportional to 5,262.16, 7,261.82 and 2,872.30 is: 3,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.16 : 7,261.82 = 2,872.30 : x
  2. Step 2: Convert to fraction form
    5,262.16/7,261.82 = 2,872.30/x
  3. Step 3: Cross multiply
    5,262.16x = 7,261.82 × 2,872.30
  4. Step 4: Simplify right side
    5,262.16x = 20,858,111.22
  5. Step 5: Solve for x
    x = 20,858,111.22/5,262.16
  6. Step 6: Final answer
    x = 3,963.79

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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.