Home / 8,349.14-11,516.70-6,553.92

Finding the Fourth Proportional to 8,349.14, 11,516.70 and 6,553.92

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Solution

The fourth proportional to 8,349.14, 11,516.70 and 6,553.92 is: 9,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.14 : 11,516.70 = 6,553.92 : x
  2. Step 2: Convert to fraction form
    8,349.14/11,516.70 = 6,553.92/x
  3. Step 3: Cross multiply
    8,349.14x = 11,516.70 × 6,553.92
  4. Step 4: Simplify right side
    8,349.14x = 75,479,530.46
  5. Step 5: Solve for x
    x = 75,479,530.46/8,349.14
  6. Step 6: Final answer
    x = 9,040.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.