Home / 8,105.40-11,185.64-4,568.72

Finding the Fourth Proportional to 8,105.40, 11,185.64 and 4,568.72

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Solution

The fourth proportional to 8,105.40, 11,185.64 and 4,568.72 is: 6,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.40 : 11,185.64 = 4,568.72 : x
  2. Step 2: Convert to fraction form
    8,105.40/11,185.64 = 4,568.72/x
  3. Step 3: Cross multiply
    8,105.40x = 11,185.64 × 4,568.72
  4. Step 4: Simplify right side
    8,105.40x = 51,104,057.18
  5. Step 5: Solve for x
    x = 51,104,057.18/8,105.40
  6. Step 6: Final answer
    x = 6,304.94

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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.