Home / 6,717.88-10,078.84-2,713.20

Finding the Fourth Proportional to 6,717.88, 10,078.84 and 2,713.20

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Solution

The fourth proportional to 6,717.88, 10,078.84 and 2,713.20 is: 4,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.88 : 10,078.84 = 2,713.20 : x
  2. Step 2: Convert to fraction form
    6,717.88/10,078.84 = 2,713.20/x
  3. Step 3: Cross multiply
    6,717.88x = 10,078.84 × 2,713.20
  4. Step 4: Simplify right side
    6,717.88x = 27,345,908.69
  5. Step 5: Solve for x
    x = 27,345,908.69/6,717.88
  6. Step 6: Final answer
    x = 4,070.62

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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.