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Finding the Fourth Proportional to 6,661.06, 9,193.11 and 4,009.90

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Solution

The fourth proportional to 6,661.06, 9,193.11 and 4,009.90 is: 5,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.06 : 9,193.11 = 4,009.90 : x
  2. Step 2: Convert to fraction form
    6,661.06/9,193.11 = 4,009.90/x
  3. Step 3: Cross multiply
    6,661.06x = 9,193.11 × 4,009.90
  4. Step 4: Simplify right side
    6,661.06x = 36,863,451.79
  5. Step 5: Solve for x
    x = 36,863,451.79/6,661.06
  6. Step 6: Final answer
    x = 5,534.17

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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.