Home / 6,685.80-10,022.76-3,173.64

Finding the Fourth Proportional to 6,685.80, 10,022.76 and 3,173.64

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Solution

The fourth proportional to 6,685.80, 10,022.76 and 3,173.64 is: 4,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.80 : 10,022.76 = 3,173.64 : x
  2. Step 2: Convert to fraction form
    6,685.80/10,022.76 = 3,173.64/x
  3. Step 3: Cross multiply
    6,685.80x = 10,022.76 × 3,173.64
  4. Step 4: Simplify right side
    6,685.80x = 31,808,657.73
  5. Step 5: Solve for x
    x = 31,808,657.73/6,685.80
  6. Step 6: Final answer
    x = 4,757.64

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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.