Home / 4,102.24-6,156.08-1,911.12

Finding the Fourth Proportional to 4,102.24, 6,156.08 and 1,911.12

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Solution

The fourth proportional to 4,102.24, 6,156.08 and 1,911.12 is: 2,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.24 : 6,156.08 = 1,911.12 : x
  2. Step 2: Convert to fraction form
    4,102.24/6,156.08 = 1,911.12/x
  3. Step 3: Cross multiply
    4,102.24x = 6,156.08 × 1,911.12
  4. Step 4: Simplify right side
    4,102.24x = 11,765,007.61
  5. Step 5: Solve for x
    x = 11,765,007.61/4,102.24
  6. Step 6: Final answer
    x = 2,867.95

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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.