Home / 8,118.42-11,203.77-4,581.66

Finding the Fourth Proportional to 8,118.42, 11,203.77 and 4,581.66

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Solution

The fourth proportional to 8,118.42, 11,203.77 and 4,581.66 is: 6,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.42 : 11,203.77 = 4,581.66 : x
  2. Step 2: Convert to fraction form
    8,118.42/11,203.77 = 4,581.66/x
  3. Step 3: Cross multiply
    8,118.42x = 11,203.77 × 4,581.66
  4. Step 4: Simplify right side
    8,118.42x = 51,331,864.86
  5. Step 5: Solve for x
    x = 51,331,864.86/8,118.42
  6. Step 6: Final answer
    x = 6,322.89

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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.