Home / 8,127.89-11,216.09-4,591.61

Finding the Fourth Proportional to 8,127.89, 11,216.09 and 4,591.61

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Solution

The fourth proportional to 8,127.89, 11,216.09 and 4,591.61 is: 6,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.89 : 11,216.09 = 4,591.61 : x
  2. Step 2: Convert to fraction form
    8,127.89/11,216.09 = 4,591.61/x
  3. Step 3: Cross multiply
    8,127.89x = 11,216.09 × 4,591.61
  4. Step 4: Simplify right side
    8,127.89x = 51,499,866.40
  5. Step 5: Solve for x
    x = 51,499,866.40/8,127.89
  6. Step 6: Final answer
    x = 6,336.20

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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.