Home / 6,885.76-10,338.36-4,380.43

Finding the Fourth Proportional to 6,885.76, 10,338.36 and 4,380.43

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Solution

The fourth proportional to 6,885.76, 10,338.36 and 4,380.43 is: 6,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.76 : 10,338.36 = 4,380.43 : x
  2. Step 2: Convert to fraction form
    6,885.76/10,338.36 = 4,380.43/x
  3. Step 3: Cross multiply
    6,885.76x = 10,338.36 × 4,380.43
  4. Step 4: Simplify right side
    6,885.76x = 45,286,462.29
  5. Step 5: Solve for x
    x = 45,286,462.29/6,885.76
  6. Step 6: Final answer
    x = 6,576.83

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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.