Home / 4,314.55-6,465.41-2,231.78

Finding the Fourth Proportional to 4,314.55, 6,465.41 and 2,231.78

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Solution

The fourth proportional to 4,314.55, 6,465.41 and 2,231.78 is: 3,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.55 : 6,465.41 = 2,231.78 : x
  2. Step 2: Convert to fraction form
    4,314.55/6,465.41 = 2,231.78/x
  3. Step 3: Cross multiply
    4,314.55x = 6,465.41 × 2,231.78
  4. Step 4: Simplify right side
    4,314.55x = 14,429,372.73
  5. Step 5: Solve for x
    x = 14,429,372.73/4,314.55
  6. Step 6: Final answer
    x = 3,344.35

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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.