Home / 4,147.50-6,223.64-2,199.70

Finding the Fourth Proportional to 4,147.50, 6,223.64 and 2,199.70

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Solution

The fourth proportional to 4,147.50, 6,223.64 and 2,199.70 is: 3,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.50 : 6,223.64 = 2,199.70 : x
  2. Step 2: Convert to fraction form
    4,147.50/6,223.64 = 2,199.70/x
  3. Step 3: Cross multiply
    4,147.50x = 6,223.64 × 2,199.70
  4. Step 4: Simplify right side
    4,147.50x = 13,690,140.91
  5. Step 5: Solve for x
    x = 13,690,140.91/4,147.50
  6. Step 6: Final answer
    x = 3,300.82

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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.