Home / 6,720.34-10,084.55-2,340.87

Finding the Fourth Proportional to 6,720.34, 10,084.55 and 2,340.87

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Solution

The fourth proportional to 6,720.34, 10,084.55 and 2,340.87 is: 3,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.34 : 10,084.55 = 2,340.87 : x
  2. Step 2: Convert to fraction form
    6,720.34/10,084.55 = 2,340.87/x
  3. Step 3: Cross multiply
    6,720.34x = 10,084.55 × 2,340.87
  4. Step 4: Simplify right side
    6,720.34x = 23,606,620.56
  5. Step 5: Solve for x
    x = 23,606,620.56/6,720.34
  6. Step 6: Final answer
    x = 3,512.71

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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.