Home / 6,081.14-8,395.59-3,988.91

Finding the Fourth Proportional to 6,081.14, 8,395.59 and 3,988.91

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Solution

The fourth proportional to 6,081.14, 8,395.59 and 3,988.91 is: 5,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.14 : 8,395.59 = 3,988.91 : x
  2. Step 2: Convert to fraction form
    6,081.14/8,395.59 = 3,988.91/x
  3. Step 3: Cross multiply
    6,081.14x = 8,395.59 × 3,988.91
  4. Step 4: Simplify right side
    6,081.14x = 33,489,252.91
  5. Step 5: Solve for x
    x = 33,489,252.91/6,081.14
  6. Step 6: Final answer
    x = 5,507.07

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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.