Home / 7,675.32-11,516.64-3,976.86

Finding the Fourth Proportional to 7,675.32, 11,516.64 and 3,976.86

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Solution

The fourth proportional to 7,675.32, 11,516.64 and 3,976.86 is: 5,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.32 : 11,516.64 = 3,976.86 : x
  2. Step 2: Convert to fraction form
    7,675.32/11,516.64 = 3,976.86/x
  3. Step 3: Cross multiply
    7,675.32x = 11,516.64 × 3,976.86
  4. Step 4: Simplify right side
    7,675.32x = 45,800,064.95
  5. Step 5: Solve for x
    x = 45,800,064.95/7,675.32
  6. Step 6: Final answer
    x = 5,967.19

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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.