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Finding the Fourth Proportional to 7,393.97, 11,096.10 and 6,688.11

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Solution

The fourth proportional to 7,393.97, 11,096.10 and 6,688.11 is: 10,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.97 : 11,096.10 = 6,688.11 : x
  2. Step 2: Convert to fraction form
    7,393.97/11,096.10 = 6,688.11/x
  3. Step 3: Cross multiply
    7,393.97x = 11,096.10 × 6,688.11
  4. Step 4: Simplify right side
    7,393.97x = 74,211,937.37
  5. Step 5: Solve for x
    x = 74,211,937.37/7,393.97
  6. Step 6: Final answer
    x = 10,036.83

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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.