Home / 5,042.50-7,562.24-2,120.16

Finding the Fourth Proportional to 5,042.50, 7,562.24 and 2,120.16

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Solution

The fourth proportional to 5,042.50, 7,562.24 and 2,120.16 is: 3,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.50 : 7,562.24 = 2,120.16 : x
  2. Step 2: Convert to fraction form
    5,042.50/7,562.24 = 2,120.16/x
  3. Step 3: Cross multiply
    5,042.50x = 7,562.24 × 2,120.16
  4. Step 4: Simplify right side
    5,042.50x = 16,033,158.76
  5. Step 5: Solve for x
    x = 16,033,158.76/5,042.50
  6. Step 6: Final answer
    x = 3,179.61

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1.5x scale

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.