Home / 5,262.11-7,261.75-2,872.10

Finding the Fourth Proportional to 5,262.11, 7,261.75 and 2,872.10

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Solution

The fourth proportional to 5,262.11, 7,261.75 and 2,872.10 is: 3,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.11 : 7,261.75 = 2,872.10 : x
  2. Step 2: Convert to fraction form
    5,262.11/7,261.75 = 2,872.10/x
  3. Step 3: Cross multiply
    5,262.11x = 7,261.75 × 2,872.10
  4. Step 4: Simplify right side
    5,262.11x = 20,856,428.69
  5. Step 5: Solve for x
    x = 20,856,428.69/5,262.11
  6. Step 6: Final answer
    x = 3,963.51

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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.