Home / 5,479.92-7,562.32-2,962.02

Finding the Fourth Proportional to 5,479.92, 7,562.32 and 2,962.02

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Solution

The fourth proportional to 5,479.92, 7,562.32 and 2,962.02 is: 4,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.92 : 7,562.32 = 2,962.02 : x
  2. Step 2: Convert to fraction form
    5,479.92/7,562.32 = 2,962.02/x
  3. Step 3: Cross multiply
    5,479.92x = 7,562.32 × 2,962.02
  4. Step 4: Simplify right side
    5,479.92x = 22,399,769.40
  5. Step 5: Solve for x
    x = 22,399,769.40/5,479.92
  6. Step 6: Final answer
    x = 4,087.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.