Home / 6,857.20-10,283.74-2,177.02

Finding the Fourth Proportional to 6,857.20, 10,283.74 and 2,177.02

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Solution

The fourth proportional to 6,857.20, 10,283.74 and 2,177.02 is: 3,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.20 : 10,283.74 = 2,177.02 : x
  2. Step 2: Convert to fraction form
    6,857.20/10,283.74 = 2,177.02/x
  3. Step 3: Cross multiply
    6,857.20x = 10,283.74 × 2,177.02
  4. Step 4: Simplify right side
    6,857.20x = 22,387,907.65
  5. Step 5: Solve for x
    x = 22,387,907.65/6,857.20
  6. Step 6: Final answer
    x = 3,264.88

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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.