Home / 4,138.46-6,207.68-2,911.35

Finding the Fourth Proportional to 4,138.46, 6,207.68 and 2,911.35

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Solution

The fourth proportional to 4,138.46, 6,207.68 and 2,911.35 is: 4,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.46 : 6,207.68 = 2,911.35 : x
  2. Step 2: Convert to fraction form
    4,138.46/6,207.68 = 2,911.35/x
  3. Step 3: Cross multiply
    4,138.46x = 6,207.68 × 2,911.35
  4. Step 4: Simplify right side
    4,138.46x = 18,072,714.61
  5. Step 5: Solve for x
    x = 18,072,714.61/4,138.46
  6. Step 6: Final answer
    x = 4,367.02

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1.5x scale

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.