Home / 5,099.91-7,634.93-3,872.13

Finding the Fourth Proportional to 5,099.91, 7,634.93 and 3,872.13

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Solution

The fourth proportional to 5,099.91, 7,634.93 and 3,872.13 is: 5,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.91 : 7,634.93 = 3,872.13 : x
  2. Step 2: Convert to fraction form
    5,099.91/7,634.93 = 3,872.13/x
  3. Step 3: Cross multiply
    5,099.91x = 7,634.93 × 3,872.13
  4. Step 4: Simplify right side
    5,099.91x = 29,563,422.14
  5. Step 5: Solve for x
    x = 29,563,422.14/5,099.91
  6. Step 6: Final answer
    x = 5,796.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.