Home / 6,761.07-10,143.68-2,318.85

Finding the Fourth Proportional to 6,761.07, 10,143.68 and 2,318.85

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Solution

The fourth proportional to 6,761.07, 10,143.68 and 2,318.85 is: 3,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.07 : 10,143.68 = 2,318.85 : x
  2. Step 2: Convert to fraction form
    6,761.07/10,143.68 = 2,318.85/x
  3. Step 3: Cross multiply
    6,761.07x = 10,143.68 × 2,318.85
  4. Step 4: Simplify right side
    6,761.07x = 23,521,660.77
  5. Step 5: Solve for x
    x = 23,521,660.77/6,761.07
  6. Step 6: Final answer
    x = 3,478.98

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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.