Home / 4,379.13-6,568.07-1,781.46

Finding the Fourth Proportional to 4,379.13, 6,568.07 and 1,781.46

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Solution

The fourth proportional to 4,379.13, 6,568.07 and 1,781.46 is: 2,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.13 : 6,568.07 = 1,781.46 : x
  2. Step 2: Convert to fraction form
    4,379.13/6,568.07 = 1,781.46/x
  3. Step 3: Cross multiply
    4,379.13x = 6,568.07 × 1,781.46
  4. Step 4: Simplify right side
    4,379.13x = 11,700,745.07
  5. Step 5: Solve for x
    x = 11,700,745.07/4,379.13
  6. Step 6: Final answer
    x = 2,671.93

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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.