Home / 4,379.20-6,568.80-1,092.26

Finding the Fourth Proportional to 4,379.20, 6,568.80 and 1,092.26

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Solution

The fourth proportional to 4,379.20, 6,568.80 and 1,092.26 is: 1,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.20 : 6,568.80 = 1,092.26 : x
  2. Step 2: Convert to fraction form
    4,379.20/6,568.80 = 1,092.26/x
  3. Step 3: Cross multiply
    4,379.20x = 6,568.80 × 1,092.26
  4. Step 4: Simplify right side
    4,379.20x = 7,174,837.49
  5. Step 5: Solve for x
    x = 7,174,837.49/4,379.20
  6. Step 6: Final answer
    x = 1,638.39

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1.5x scale

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.