Home / 5,568.34-8,351.70-2,104.78

Finding the Fourth Proportional to 5,568.34, 8,351.70 and 2,104.78

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Solution

The fourth proportional to 5,568.34, 8,351.70 and 2,104.78 is: 3,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.34 : 8,351.70 = 2,104.78 : x
  2. Step 2: Convert to fraction form
    5,568.34/8,351.70 = 2,104.78/x
  3. Step 3: Cross multiply
    5,568.34x = 8,351.70 × 2,104.78
  4. Step 4: Simplify right side
    5,568.34x = 17,578,491.13
  5. Step 5: Solve for x
    x = 17,578,491.13/5,568.34
  6. Step 6: Final answer
    x = 3,156.86

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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.