Home / 6,318.14-8,717.28-4,080.11

Finding the Fourth Proportional to 6,318.14, 8,717.28 and 4,080.11

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Solution

The fourth proportional to 6,318.14, 8,717.28 and 4,080.11 is: 5,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.14 : 8,717.28 = 4,080.11 : x
  2. Step 2: Convert to fraction form
    6,318.14/8,717.28 = 4,080.11/x
  3. Step 3: Cross multiply
    6,318.14x = 8,717.28 × 4,080.11
  4. Step 4: Simplify right side
    6,318.14x = 35,567,458.05
  5. Step 5: Solve for x
    x = 35,567,458.05/6,318.14
  6. Step 6: Final answer
    x = 5,629.42

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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.