Home / 7,618.48-11,411.52-4,329.88

Finding the Fourth Proportional to 7,618.48, 11,411.52 and 4,329.88

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Solution

The fourth proportional to 7,618.48, 11,411.52 and 4,329.88 is: 6,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.48 : 11,411.52 = 4,329.88 : x
  2. Step 2: Convert to fraction form
    7,618.48/11,411.52 = 4,329.88/x
  3. Step 3: Cross multiply
    7,618.48x = 11,411.52 × 4,329.88
  4. Step 4: Simplify right side
    7,618.48x = 49,410,512.22
  5. Step 5: Solve for x
    x = 49,410,512.22/7,618.48
  6. Step 6: Final answer
    x = 6,485.61

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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.