Home / 7,975.76-11,966.09-4,082.90

Finding the Fourth Proportional to 7,975.76, 11,966.09 and 4,082.90

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Solution

The fourth proportional to 7,975.76, 11,966.09 and 4,082.90 is: 6,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.76 : 11,966.09 = 4,082.90 : x
  2. Step 2: Convert to fraction form
    7,975.76/11,966.09 = 4,082.90/x
  3. Step 3: Cross multiply
    7,975.76x = 11,966.09 × 4,082.90
  4. Step 4: Simplify right side
    7,975.76x = 48,856,268.62
  5. Step 5: Solve for x
    x = 48,856,268.62/7,975.76
  6. Step 6: Final answer
    x = 6,125.60

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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.