Home / 6,717.28-10,080.40-2,561.12

Finding the Fourth Proportional to 6,717.28, 10,080.40 and 2,561.12

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Solution

The fourth proportional to 6,717.28, 10,080.40 and 2,561.12 is: 3,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.28 : 10,080.40 = 2,561.12 : x
  2. Step 2: Convert to fraction form
    6,717.28/10,080.40 = 2,561.12/x
  3. Step 3: Cross multiply
    6,717.28x = 10,080.40 × 2,561.12
  4. Step 4: Simplify right side
    6,717.28x = 25,817,114.05
  5. Step 5: Solve for x
    x = 25,817,114.05/6,717.28
  6. Step 6: Final answer
    x = 3,843.39

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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.