Home / 8,117.97-11,202.80-4,581.18

Finding the Fourth Proportional to 8,117.97, 11,202.80 and 4,581.18

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Solution

The fourth proportional to 8,117.97, 11,202.80 and 4,581.18 is: 6,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.97 : 11,202.80 = 4,581.18 : x
  2. Step 2: Convert to fraction form
    8,117.97/11,202.80 = 4,581.18/x
  3. Step 3: Cross multiply
    8,117.97x = 11,202.80 × 4,581.18
  4. Step 4: Simplify right side
    8,117.97x = 51,322,020.40
  5. Step 5: Solve for x
    x = 51,322,020.40/8,117.97
  6. Step 6: Final answer
    x = 6,322.03

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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.