Home / 6,447.20-9,671.49-2,749.82

Finding the Fourth Proportional to 6,447.20, 9,671.49 and 2,749.82

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Solution

The fourth proportional to 6,447.20, 9,671.49 and 2,749.82 is: 4,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.20 : 9,671.49 = 2,749.82 : x
  2. Step 2: Convert to fraction form
    6,447.20/9,671.49 = 2,749.82/x
  3. Step 3: Cross multiply
    6,447.20x = 9,671.49 × 2,749.82
  4. Step 4: Simplify right side
    6,447.20x = 26,594,808.27
  5. Step 5: Solve for x
    x = 26,594,808.27/6,447.20
  6. Step 6: Final answer
    x = 4,125.02

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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.