Home / 6,487.64-9,732.83-2,104.76

Finding the Fourth Proportional to 6,487.64, 9,732.83 and 2,104.76

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Solution

The fourth proportional to 6,487.64, 9,732.83 and 2,104.76 is: 3,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.64 : 9,732.83 = 2,104.76 : x
  2. Step 2: Convert to fraction form
    6,487.64/9,732.83 = 2,104.76/x
  3. Step 3: Cross multiply
    6,487.64x = 9,732.83 × 2,104.76
  4. Step 4: Simplify right side
    6,487.64x = 20,485,227.87
  5. Step 5: Solve for x
    x = 20,485,227.87/6,487.64
  6. Step 6: Final answer
    x = 3,157.58

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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.