Home / 7,718.92-11,577.34-3,332.72

Finding the Fourth Proportional to 7,718.92, 11,577.34 and 3,332.72

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Solution

The fourth proportional to 7,718.92, 11,577.34 and 3,332.72 is: 4,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.92 : 11,577.34 = 3,332.72 : x
  2. Step 2: Convert to fraction form
    7,718.92/11,577.34 = 3,332.72/x
  3. Step 3: Cross multiply
    7,718.92x = 11,577.34 × 3,332.72
  4. Step 4: Simplify right side
    7,718.92x = 38,584,032.56
  5. Step 5: Solve for x
    x = 38,584,032.56/7,718.92
  6. Step 6: Final answer
    x = 4,998.63

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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.