Home / 8,723.55-13,081.28-3,790.65

Finding the Fourth Proportional to 8,723.55, 13,081.28 and 3,790.65

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Solution

The fourth proportional to 8,723.55, 13,081.28 and 3,790.65 is: 5,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.55 : 13,081.28 = 3,790.65 : x
  2. Step 2: Convert to fraction form
    8,723.55/13,081.28 = 3,790.65/x
  3. Step 3: Cross multiply
    8,723.55x = 13,081.28 × 3,790.65
  4. Step 4: Simplify right side
    8,723.55x = 49,586,535.08
  5. Step 5: Solve for x
    x = 49,586,535.08/8,723.55
  6. Step 6: Final answer
    x = 5,684.22

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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.