Home / 8,861.69-12,228.62-5,324.22

Finding the Fourth Proportional to 8,861.69, 12,228.62 and 5,324.22

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Solution

The fourth proportional to 8,861.69, 12,228.62 and 5,324.22 is: 7,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.69 : 12,228.62 = 5,324.22 : x
  2. Step 2: Convert to fraction form
    8,861.69/12,228.62 = 5,324.22/x
  3. Step 3: Cross multiply
    8,861.69x = 12,228.62 × 5,324.22
  4. Step 4: Simplify right side
    8,861.69x = 65,107,836.56
  5. Step 5: Solve for x
    x = 65,107,836.56/8,861.69
  6. Step 6: Final answer
    x = 7,347.12

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1.5x scale

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.