Home / 8,541.30-12,811.90-3,976.46

Finding the Fourth Proportional to 8,541.30, 12,811.90 and 3,976.46

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Solution

The fourth proportional to 8,541.30, 12,811.90 and 3,976.46 is: 5,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.30 : 12,811.90 = 3,976.46 : x
  2. Step 2: Convert to fraction form
    8,541.30/12,811.90 = 3,976.46/x
  3. Step 3: Cross multiply
    8,541.30x = 12,811.90 × 3,976.46
  4. Step 4: Simplify right side
    8,541.30x = 50,946,007.87
  5. Step 5: Solve for x
    x = 50,946,007.87/8,541.30
  6. Step 6: Final answer
    x = 5,964.67

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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.