Home / 6,984.20-10,474.68-3,086.48

Finding the Fourth Proportional to 6,984.20, 10,474.68 and 3,086.48

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Solution

The fourth proportional to 6,984.20, 10,474.68 and 3,086.48 is: 4,629.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.20 : 10,474.68 = 3,086.48 : x
  2. Step 2: Convert to fraction form
    6,984.20/10,474.68 = 3,086.48/x
  3. Step 3: Cross multiply
    6,984.20x = 10,474.68 × 3,086.48
  4. Step 4: Simplify right side
    6,984.20x = 32,329,890.33
  5. Step 5: Solve for x
    x = 32,329,890.33/6,984.20
  6. Step 6: Final answer
    x = 4,629.00

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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.