Home / 5,080.70-7,620.27-1,962.18

Finding the Fourth Proportional to 5,080.70, 7,620.27 and 1,962.18

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Solution

The fourth proportional to 5,080.70, 7,620.27 and 1,962.18 is: 2,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.70 : 7,620.27 = 1,962.18 : x
  2. Step 2: Convert to fraction form
    5,080.70/7,620.27 = 1,962.18/x
  3. Step 3: Cross multiply
    5,080.70x = 7,620.27 × 1,962.18
  4. Step 4: Simplify right side
    5,080.70x = 14,952,341.39
  5. Step 5: Solve for x
    x = 14,952,341.39/5,080.70
  6. Step 6: Final answer
    x = 2,942.97

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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.