Home / 6,885.23-10,311.42-3,760.55

Finding the Fourth Proportional to 6,885.23, 10,311.42 and 3,760.55

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Solution

The fourth proportional to 6,885.23, 10,311.42 and 3,760.55 is: 5,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.23 : 10,311.42 = 3,760.55 : x
  2. Step 2: Convert to fraction form
    6,885.23/10,311.42 = 3,760.55/x
  3. Step 3: Cross multiply
    6,885.23x = 10,311.42 × 3,760.55
  4. Step 4: Simplify right side
    6,885.23x = 38,776,610.48
  5. Step 5: Solve for x
    x = 38,776,610.48/6,885.23
  6. Step 6: Final answer
    x = 5,631.85

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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.