Home / 4,459.41-6,684.68-2,115.29

Finding the Fourth Proportional to 4,459.41, 6,684.68 and 2,115.29

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Solution

The fourth proportional to 4,459.41, 6,684.68 and 2,115.29 is: 3,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.41 : 6,684.68 = 2,115.29 : x
  2. Step 2: Convert to fraction form
    4,459.41/6,684.68 = 2,115.29/x
  3. Step 3: Cross multiply
    4,459.41x = 6,684.68 × 2,115.29
  4. Step 4: Simplify right side
    4,459.41x = 14,139,992.76
  5. Step 5: Solve for x
    x = 14,139,992.76/4,459.41
  6. Step 6: Final answer
    x = 3,170.82

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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.