Home / 4,207.24-6,310.86-2,665

Finding the Fourth Proportional to 4,207.24, 6,310.86 and 2,665

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Solution

The fourth proportional to 4,207.24, 6,310.86 and 2,665 is: 3,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.24 : 6,310.86 = 2,665 : x
  2. Step 2: Convert to fraction form
    4,207.24/6,310.86 = 2,665/x
  3. Step 3: Cross multiply
    4,207.24x = 6,310.86 × 2,665
  4. Step 4: Simplify right side
    4,207.24x = 16,818,441.90
  5. Step 5: Solve for x
    x = 16,818,441.90/4,207.24
  6. Step 6: Final answer
    x = 3,997.50

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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.