Home / 4,080.15-6,120.14-1,306.83

Finding the Fourth Proportional to 4,080.15, 6,120.14 and 1,306.83

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Solution

The fourth proportional to 4,080.15, 6,120.14 and 1,306.83 is: 1,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.15 : 6,120.14 = 1,306.83 : x
  2. Step 2: Convert to fraction form
    4,080.15/6,120.14 = 1,306.83/x
  3. Step 3: Cross multiply
    4,080.15x = 6,120.14 × 1,306.83
  4. Step 4: Simplify right side
    4,080.15x = 7,997,982.56
  5. Step 5: Solve for x
    x = 7,997,982.56/4,080.15
  6. Step 6: Final answer
    x = 1,960.22

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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.