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Finding the Fourth Proportional to 6,913.81, 10,373.19 and 2,963.41

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Solution

The fourth proportional to 6,913.81, 10,373.19 and 2,963.41 is: 4,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.81 : 10,373.19 = 2,963.41 : x
  2. Step 2: Convert to fraction form
    6,913.81/10,373.19 = 2,963.41/x
  3. Step 3: Cross multiply
    6,913.81x = 10,373.19 × 2,963.41
  4. Step 4: Simplify right side
    6,913.81x = 30,740,014.98
  5. Step 5: Solve for x
    x = 30,740,014.98/6,913.81
  6. Step 6: Final answer
    x = 4,446.18

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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.