Home / 8,118.30-11,203.26-4,581.51

Finding the Fourth Proportional to 8,118.30, 11,203.26 and 4,581.51

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Solution

The fourth proportional to 8,118.30, 11,203.26 and 4,581.51 is: 6,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.30 : 11,203.26 = 4,581.51 : x
  2. Step 2: Convert to fraction form
    8,118.30/11,203.26 = 4,581.51/x
  3. Step 3: Cross multiply
    8,118.30x = 11,203.26 × 4,581.51
  4. Step 4: Simplify right side
    8,118.30x = 51,327,847.72
  5. Step 5: Solve for x
    x = 51,327,847.72/8,118.30
  6. Step 6: Final answer
    x = 6,322.49

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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.