Home / 4,276.14-6,420.18-2,197.91

Finding the Fourth Proportional to 4,276.14, 6,420.18 and 2,197.91

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Solution

The fourth proportional to 4,276.14, 6,420.18 and 2,197.91 is: 3,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.14 : 6,420.18 = 2,197.91 : x
  2. Step 2: Convert to fraction form
    4,276.14/6,420.18 = 2,197.91/x
  3. Step 3: Cross multiply
    4,276.14x = 6,420.18 × 2,197.91
  4. Step 4: Simplify right side
    4,276.14x = 14,110,934.73
  5. Step 5: Solve for x
    x = 14,110,934.73/4,276.14
  6. Step 6: Final answer
    x = 3,299.92

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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.