Home / 8,104.02-11,177.88-4,961.76

Finding the Fourth Proportional to 8,104.02, 11,177.88 and 4,961.76

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Solution

The fourth proportional to 8,104.02, 11,177.88 and 4,961.76 is: 6,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.02 : 11,177.88 = 4,961.76 : x
  2. Step 2: Convert to fraction form
    8,104.02/11,177.88 = 4,961.76/x
  3. Step 3: Cross multiply
    8,104.02x = 11,177.88 × 4,961.76
  4. Step 4: Simplify right side
    8,104.02x = 55,461,957.87
  5. Step 5: Solve for x
    x = 55,461,957.87/8,104.02
  6. Step 6: Final answer
    x = 6,843.76

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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.