Home / 7,113.20-10,682.60-6,882.80

Finding the Fourth Proportional to 7,113.20, 10,682.60 and 6,882.80

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Solution

The fourth proportional to 7,113.20, 10,682.60 and 6,882.80 is: 10,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.20 : 10,682.60 = 6,882.80 : x
  2. Step 2: Convert to fraction form
    7,113.20/10,682.60 = 6,882.80/x
  3. Step 3: Cross multiply
    7,113.20x = 10,682.60 × 6,882.80
  4. Step 4: Simplify right side
    7,113.20x = 73,526,199.28
  5. Step 5: Solve for x
    x = 73,526,199.28/7,113.20
  6. Step 6: Final answer
    x = 10,336.59

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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.