Home / 4,102.11-5,663.50-2,842.72

Finding the Fourth Proportional to 4,102.11, 5,663.50 and 2,842.72

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Solution

The fourth proportional to 4,102.11, 5,663.50 and 2,842.72 is: 3,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.11 : 5,663.50 = 2,842.72 : x
  2. Step 2: Convert to fraction form
    4,102.11/5,663.50 = 2,842.72/x
  3. Step 3: Cross multiply
    4,102.11x = 5,663.50 × 2,842.72
  4. Step 4: Simplify right side
    4,102.11x = 16,099,723.45
  5. Step 5: Solve for x
    x = 16,099,723.45/4,102.11
  6. Step 6: Final answer
    x = 3,924.74

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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.