Home / 5,815.69-8,723.46-1,433.19

Finding the Fourth Proportional to 5,815.69, 8,723.46 and 1,433.19

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Solution

The fourth proportional to 5,815.69, 8,723.46 and 1,433.19 is: 2,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.69 : 8,723.46 = 1,433.19 : x
  2. Step 2: Convert to fraction form
    5,815.69/8,723.46 = 1,433.19/x
  3. Step 3: Cross multiply
    5,815.69x = 8,723.46 × 1,433.19
  4. Step 4: Simplify right side
    5,815.69x = 12,502,375.64
  5. Step 5: Solve for x
    x = 12,502,375.64/5,815.69
  6. Step 6: Final answer
    x = 2,149.77

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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.