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Finding the Fourth Proportional to 6,340.56, 9,511.11 and 1,960.98

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Solution

The fourth proportional to 6,340.56, 9,511.11 and 1,960.98 is: 2,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.56 : 9,511.11 = 1,960.98 : x
  2. Step 2: Convert to fraction form
    6,340.56/9,511.11 = 1,960.98/x
  3. Step 3: Cross multiply
    6,340.56x = 9,511.11 × 1,960.98
  4. Step 4: Simplify right side
    6,340.56x = 18,651,096.49
  5. Step 5: Solve for x
    x = 18,651,096.49/6,340.56
  6. Step 6: Final answer
    x = 2,941.55

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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.