Home / 5,379.15-8,057.39-2,459.91

Finding the Fourth Proportional to 5,379.15, 8,057.39 and 2,459.91

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Solution

The fourth proportional to 5,379.15, 8,057.39 and 2,459.91 is: 3,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.15 : 8,057.39 = 2,459.91 : x
  2. Step 2: Convert to fraction form
    5,379.15/8,057.39 = 2,459.91/x
  3. Step 3: Cross multiply
    5,379.15x = 8,057.39 × 2,459.91
  4. Step 4: Simplify right side
    5,379.15x = 19,820,441.94
  5. Step 5: Solve for x
    x = 19,820,441.94/5,379.15
  6. Step 6: Final answer
    x = 3,684.68

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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.