Home / 6,361-8,778.18-3,566.50

Finding the Fourth Proportional to 6,361, 8,778.18 and 3,566.50

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Solution

The fourth proportional to 6,361, 8,778.18 and 3,566.50 is: 4,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361 : 8,778.18 = 3,566.50 : x
  2. Step 2: Convert to fraction form
    6,361/8,778.18 = 3,566.50/x
  3. Step 3: Cross multiply
    6,361x = 8,778.18 × 3,566.50
  4. Step 4: Simplify right side
    6,361x = 31,307,378.97
  5. Step 5: Solve for x
    x = 31,307,378.97/6,361
  6. Step 6: Final answer
    x = 4,921.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.