Home / 4,455.43-6,688.29-2,607.88

Finding the Fourth Proportional to 4,455.43, 6,688.29 and 2,607.88

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Solution

The fourth proportional to 4,455.43, 6,688.29 and 2,607.88 is: 3,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.43 : 6,688.29 = 2,607.88 : x
  2. Step 2: Convert to fraction form
    4,455.43/6,688.29 = 2,607.88/x
  3. Step 3: Cross multiply
    4,455.43x = 6,688.29 × 2,607.88
  4. Step 4: Simplify right side
    4,455.43x = 17,442,257.73
  5. Step 5: Solve for x
    x = 17,442,257.73/4,455.43
  6. Step 6: Final answer
    x = 3,914.83

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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.