Home / 6,986.97-10,485.72-3,700.80

Finding the Fourth Proportional to 6,986.97, 10,485.72 and 3,700.80

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Solution

The fourth proportional to 6,986.97, 10,485.72 and 3,700.80 is: 5,553.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.97 : 10,485.72 = 3,700.80 : x
  2. Step 2: Convert to fraction form
    6,986.97/10,485.72 = 3,700.80/x
  3. Step 3: Cross multiply
    6,986.97x = 10,485.72 × 3,700.80
  4. Step 4: Simplify right side
    6,986.97x = 38,805,552.58
  5. Step 5: Solve for x
    x = 38,805,552.58/6,986.97
  6. Step 6: Final answer
    x = 5,553.99

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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.