Home / 6,080.14-8,394.21-3,987.91

Finding the Fourth Proportional to 6,080.14, 8,394.21 and 3,987.91

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Solution

The fourth proportional to 6,080.14, 8,394.21 and 3,987.91 is: 5,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.14 : 8,394.21 = 3,987.91 : x
  2. Step 2: Convert to fraction form
    6,080.14/8,394.21 = 3,987.91/x
  3. Step 3: Cross multiply
    6,080.14x = 8,394.21 × 3,987.91
  4. Step 4: Simplify right side
    6,080.14x = 33,475,354.00
  5. Step 5: Solve for x
    x = 33,475,354.00/6,080.14
  6. Step 6: Final answer
    x = 5,505.69

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1.5x scale

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.