Home / 6,711.28-10,069.92-3,422.64

Finding the Fourth Proportional to 6,711.28, 10,069.92 and 3,422.64

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Solution

The fourth proportional to 6,711.28, 10,069.92 and 3,422.64 is: 5,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.28 : 10,069.92 = 3,422.64 : x
  2. Step 2: Convert to fraction form
    6,711.28/10,069.92 = 3,422.64/x
  3. Step 3: Cross multiply
    6,711.28x = 10,069.92 × 3,422.64
  4. Step 4: Simplify right side
    6,711.28x = 34,465,710.99
  5. Step 5: Solve for x
    x = 34,465,710.99/6,711.28
  6. Step 6: Final answer
    x = 5,135.49

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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.