Home / 5,586.69-8,379.91-2,812.62

Finding the Fourth Proportional to 5,586.69, 8,379.91 and 2,812.62

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Solution

The fourth proportional to 5,586.69, 8,379.91 and 2,812.62 is: 4,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.69 : 8,379.91 = 2,812.62 : x
  2. Step 2: Convert to fraction form
    5,586.69/8,379.91 = 2,812.62/x
  3. Step 3: Cross multiply
    5,586.69x = 8,379.91 × 2,812.62
  4. Step 4: Simplify right side
    5,586.69x = 23,569,502.46
  5. Step 5: Solve for x
    x = 23,569,502.46/5,586.69
  6. Step 6: Final answer
    x = 4,218.87

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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.