Home / 8,200.50-11,316.69-4,474.50

Finding the Fourth Proportional to 8,200.50, 11,316.69 and 4,474.50

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Solution

The fourth proportional to 8,200.50, 11,316.69 and 4,474.50 is: 6,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.50 : 11,316.69 = 4,474.50 : x
  2. Step 2: Convert to fraction form
    8,200.50/11,316.69 = 4,474.50/x
  3. Step 3: Cross multiply
    8,200.50x = 11,316.69 × 4,474.50
  4. Step 4: Simplify right side
    8,200.50x = 50,636,529.41
  5. Step 5: Solve for x
    x = 50,636,529.41/8,200.50
  6. Step 6: Final answer
    x = 6,174.81

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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.