Home / 7,311.46-10,976.60-6,278.10

Finding the Fourth Proportional to 7,311.46, 10,976.60 and 6,278.10

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Solution

The fourth proportional to 7,311.46, 10,976.60 and 6,278.10 is: 9,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.46 : 10,976.60 = 6,278.10 : x
  2. Step 2: Convert to fraction form
    7,311.46/10,976.60 = 6,278.10/x
  3. Step 3: Cross multiply
    7,311.46x = 10,976.60 × 6,278.10
  4. Step 4: Simplify right side
    7,311.46x = 68,912,192.46
  5. Step 5: Solve for x
    x = 68,912,192.46/7,311.46
  6. Step 6: Final answer
    x = 9,425.23

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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.