Home / 4,861.78-7,281.73-3,407.43

Finding the Fourth Proportional to 4,861.78, 7,281.73 and 3,407.43

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Solution

The fourth proportional to 4,861.78, 7,281.73 and 3,407.43 is: 5,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.78 : 7,281.73 = 3,407.43 : x
  2. Step 2: Convert to fraction form
    4,861.78/7,281.73 = 3,407.43/x
  3. Step 3: Cross multiply
    4,861.78x = 7,281.73 × 3,407.43
  4. Step 4: Simplify right side
    4,861.78x = 24,811,985.25
  5. Step 5: Solve for x
    x = 24,811,985.25/4,861.78
  6. Step 6: Final answer
    x = 5,103.48

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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.