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Finding the Fourth Proportional to 4,262.68, 6,395.03 and 1,340.99

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Solution

The fourth proportional to 4,262.68, 6,395.03 and 1,340.99 is: 2,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.68 : 6,395.03 = 1,340.99 : x
  2. Step 2: Convert to fraction form
    4,262.68/6,395.03 = 1,340.99/x
  3. Step 3: Cross multiply
    4,262.68x = 6,395.03 × 1,340.99
  4. Step 4: Simplify right side
    4,262.68x = 8,575,632.60
  5. Step 5: Solve for x
    x = 8,575,632.60/4,262.68
  6. Step 6: Final answer
    x = 2,011.79

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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.