Home / 8,119.39-11,203.14-4,581.92

Finding the Fourth Proportional to 8,119.39, 11,203.14 and 4,581.92

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Solution

The fourth proportional to 8,119.39, 11,203.14 and 4,581.92 is: 6,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.39 : 11,203.14 = 4,581.92 : x
  2. Step 2: Convert to fraction form
    8,119.39/11,203.14 = 4,581.92/x
  3. Step 3: Cross multiply
    8,119.39x = 11,203.14 × 4,581.92
  4. Step 4: Simplify right side
    8,119.39x = 51,331,873.40
  5. Step 5: Solve for x
    x = 51,331,873.40/8,119.39
  6. Step 6: Final answer
    x = 6,322.13

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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.