Home / 8,118.11-11,202.98-4,581.24

Finding the Fourth Proportional to 8,118.11, 11,202.98 and 4,581.24

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Solution

The fourth proportional to 8,118.11, 11,202.98 and 4,581.24 is: 6,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.11 : 11,202.98 = 4,581.24 : x
  2. Step 2: Convert to fraction form
    8,118.11/11,202.98 = 4,581.24/x
  3. Step 3: Cross multiply
    8,118.11x = 11,202.98 × 4,581.24
  4. Step 4: Simplify right side
    8,118.11x = 51,323,517.19
  5. Step 5: Solve for x
    x = 51,323,517.19/8,118.11
  6. Step 6: Final answer
    x = 6,322.11

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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.