Home / 8,131.92-11,222.02-4,405.92

Finding the Fourth Proportional to 8,131.92, 11,222.02 and 4,405.92

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Solution

The fourth proportional to 8,131.92, 11,222.02 and 4,405.92 is: 6,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.92 : 11,222.02 = 4,405.92 : x
  2. Step 2: Convert to fraction form
    8,131.92/11,222.02 = 4,405.92/x
  3. Step 3: Cross multiply
    8,131.92x = 11,222.02 × 4,405.92
  4. Step 4: Simplify right side
    8,131.92x = 49,443,322.36
  5. Step 5: Solve for x
    x = 49,443,322.36/8,131.92
  6. Step 6: Final answer
    x = 6,080.15

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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.