Home / 4,207.85-6,311.52-1,867.18

Finding the Fourth Proportional to 4,207.85, 6,311.52 and 1,867.18

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Solution

The fourth proportional to 4,207.85, 6,311.52 and 1,867.18 is: 2,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.85 : 6,311.52 = 1,867.18 : x
  2. Step 2: Convert to fraction form
    4,207.85/6,311.52 = 1,867.18/x
  3. Step 3: Cross multiply
    4,207.85x = 6,311.52 × 1,867.18
  4. Step 4: Simplify right side
    4,207.85x = 11,784,712.36
  5. Step 5: Solve for x
    x = 11,784,712.36/4,207.85
  6. Step 6: Final answer
    x = 2,800.65

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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.