Home / 4,149.64-6,228.11-2,690.43

Finding the Fourth Proportional to 4,149.64, 6,228.11 and 2,690.43

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Solution

The fourth proportional to 4,149.64, 6,228.11 and 2,690.43 is: 4,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.64 : 6,228.11 = 2,690.43 : x
  2. Step 2: Convert to fraction form
    4,149.64/6,228.11 = 2,690.43/x
  3. Step 3: Cross multiply
    4,149.64x = 6,228.11 × 2,690.43
  4. Step 4: Simplify right side
    4,149.64x = 16,756,293.99
  5. Step 5: Solve for x
    x = 16,756,293.99/4,149.64
  6. Step 6: Final answer
    x = 4,038.01

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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.