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Finding the Fourth Proportional to 6,530.92, 9,013.11 and 3,698.26

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Solution

The fourth proportional to 6,530.92, 9,013.11 and 3,698.26 is: 5,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.92 : 9,013.11 = 3,698.26 : x
  2. Step 2: Convert to fraction form
    6,530.92/9,013.11 = 3,698.26/x
  3. Step 3: Cross multiply
    6,530.92x = 9,013.11 × 3,698.26
  4. Step 4: Simplify right side
    6,530.92x = 33,332,824.19
  5. Step 5: Solve for x
    x = 33,332,824.19/6,530.92
  6. Step 6: Final answer
    x = 5,103.85

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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.