Home / 4,156.46-6,238.79-2,208.66

Finding the Fourth Proportional to 4,156.46, 6,238.79 and 2,208.66

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Solution

The fourth proportional to 4,156.46, 6,238.79 and 2,208.66 is: 3,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.46 : 6,238.79 = 2,208.66 : x
  2. Step 2: Convert to fraction form
    4,156.46/6,238.79 = 2,208.66/x
  3. Step 3: Cross multiply
    4,156.46x = 6,238.79 × 2,208.66
  4. Step 4: Simplify right side
    4,156.46x = 13,779,365.92
  5. Step 5: Solve for x
    x = 13,779,365.92/4,156.46
  6. Step 6: Final answer
    x = 3,315.17

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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.