Home / 4,277.21-6,415.82-3,114.61

Finding the Fourth Proportional to 4,277.21, 6,415.82 and 3,114.61

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Solution

The fourth proportional to 4,277.21, 6,415.82 and 3,114.61 is: 4,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.21 : 6,415.82 = 3,114.61 : x
  2. Step 2: Convert to fraction form
    4,277.21/6,415.82 = 3,114.61/x
  3. Step 3: Cross multiply
    4,277.21x = 6,415.82 × 3,114.61
  4. Step 4: Simplify right side
    4,277.21x = 19,982,777.13
  5. Step 5: Solve for x
    x = 19,982,777.13/4,277.21
  6. Step 6: Final answer
    x = 4,671.92

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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.