Home / 4,138.58-6,204.20-2,913.86

Finding the Fourth Proportional to 4,138.58, 6,204.20 and 2,913.86

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Solution

The fourth proportional to 4,138.58, 6,204.20 and 2,913.86 is: 4,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.58 : 6,204.20 = 2,913.86 : x
  2. Step 2: Convert to fraction form
    4,138.58/6,204.20 = 2,913.86/x
  3. Step 3: Cross multiply
    4,138.58x = 6,204.20 × 2,913.86
  4. Step 4: Simplify right side
    4,138.58x = 18,078,170.21
  5. Step 5: Solve for x
    x = 18,078,170.21/4,138.58
  6. Step 6: Final answer
    x = 4,368.21

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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.