Home / 4,379.15-6,569.54-1,418.38

Finding the Fourth Proportional to 4,379.15, 6,569.54 and 1,418.38

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Solution

The fourth proportional to 4,379.15, 6,569.54 and 1,418.38 is: 2,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.15 : 6,569.54 = 1,418.38 : x
  2. Step 2: Convert to fraction form
    4,379.15/6,569.54 = 1,418.38/x
  3. Step 3: Cross multiply
    4,379.15x = 6,569.54 × 1,418.38
  4. Step 4: Simplify right side
    4,379.15x = 9,318,104.15
  5. Step 5: Solve for x
    x = 9,318,104.15/4,379.15
  6. Step 6: Final answer
    x = 2,127.83

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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.