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Finding the Fourth Proportional to 6,645.00, 9,170.06 and 3,660.77

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Solution

The fourth proportional to 6,645.00, 9,170.06 and 3,660.77 is: 5,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.00 : 9,170.06 = 3,660.77 : x
  2. Step 2: Convert to fraction form
    6,645.00/9,170.06 = 3,660.77/x
  3. Step 3: Cross multiply
    6,645.00x = 9,170.06 × 3,660.77
  4. Step 4: Simplify right side
    6,645.00x = 33,569,485.17
  5. Step 5: Solve for x
    x = 33,569,485.17/6,645.00
  6. Step 6: Final answer
    x = 5,051.84

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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.