Home / 8,328.42-11,481.63-5,806.86

Finding the Fourth Proportional to 8,328.42, 11,481.63 and 5,806.86

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Solution

The fourth proportional to 8,328.42, 11,481.63 and 5,806.86 is: 8,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.42 : 11,481.63 = 5,806.86 : x
  2. Step 2: Convert to fraction form
    8,328.42/11,481.63 = 5,806.86/x
  3. Step 3: Cross multiply
    8,328.42x = 11,481.63 × 5,806.86
  4. Step 4: Simplify right side
    8,328.42x = 66,672,217.98
  5. Step 5: Solve for x
    x = 66,672,217.98/8,328.42
  6. Step 6: Final answer
    x = 8,005.39

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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.