Home / 8,076.49-11,145.70-4,442.71

Finding the Fourth Proportional to 8,076.49, 11,145.70 and 4,442.71

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Solution

The fourth proportional to 8,076.49, 11,145.70 and 4,442.71 is: 6,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.49 : 11,145.70 = 4,442.71 : x
  2. Step 2: Convert to fraction form
    8,076.49/11,145.70 = 4,442.71/x
  3. Step 3: Cross multiply
    8,076.49x = 11,145.70 × 4,442.71
  4. Step 4: Simplify right side
    8,076.49x = 49,517,080.09
  5. Step 5: Solve for x
    x = 49,517,080.09/8,076.49
  6. Step 6: Final answer
    x = 6,131.01

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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.