Home / 6,761.42-10,142.59-2,600.05

Finding the Fourth Proportional to 6,761.42, 10,142.59 and 2,600.05

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Solution

The fourth proportional to 6,761.42, 10,142.59 and 2,600.05 is: 3,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.42 : 10,142.59 = 2,600.05 : x
  2. Step 2: Convert to fraction form
    6,761.42/10,142.59 = 2,600.05/x
  3. Step 3: Cross multiply
    6,761.42x = 10,142.59 × 2,600.05
  4. Step 4: Simplify right side
    6,761.42x = 26,371,209.27
  5. Step 5: Solve for x
    x = 26,371,209.27/6,761.42
  6. Step 6: Final answer
    x = 3,900.25

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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.