Home / 6,464.79-9,691.26-2,518.71

Finding the Fourth Proportional to 6,464.79, 9,691.26 and 2,518.71

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Solution

The fourth proportional to 6,464.79, 9,691.26 and 2,518.71 is: 3,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.79 : 9,691.26 = 2,518.71 : x
  2. Step 2: Convert to fraction form
    6,464.79/9,691.26 = 2,518.71/x
  3. Step 3: Cross multiply
    6,464.79x = 9,691.26 × 2,518.71
  4. Step 4: Simplify right side
    6,464.79x = 24,409,473.47
  5. Step 5: Solve for x
    x = 24,409,473.47/6,464.79
  6. Step 6: Final answer
    x = 3,775.76

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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.