Home / 4,065.78-6,096.49-1,291.70

Finding the Fourth Proportional to 4,065.78, 6,096.49 and 1,291.70

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Solution

The fourth proportional to 4,065.78, 6,096.49 and 1,291.70 is: 1,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.78 : 6,096.49 = 1,291.70 : x
  2. Step 2: Convert to fraction form
    4,065.78/6,096.49 = 1,291.70/x
  3. Step 3: Cross multiply
    4,065.78x = 6,096.49 × 1,291.70
  4. Step 4: Simplify right side
    4,065.78x = 7,874,836.13
  5. Step 5: Solve for x
    x = 7,874,836.13/4,065.78
  6. Step 6: Final answer
    x = 1,936.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.