Home / 7,864.27-11,790.93-3,479.33

Finding the Fourth Proportional to 7,864.27, 11,790.93 and 3,479.33

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Solution

The fourth proportional to 7,864.27, 11,790.93 and 3,479.33 is: 5,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.27 : 11,790.93 = 3,479.33 : x
  2. Step 2: Convert to fraction form
    7,864.27/11,790.93 = 3,479.33/x
  3. Step 3: Cross multiply
    7,864.27x = 11,790.93 × 3,479.33
  4. Step 4: Simplify right side
    7,864.27x = 41,024,536.48
  5. Step 5: Solve for x
    x = 41,024,536.48/7,864.27
  6. Step 6: Final answer
    x = 5,216.57

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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.