Home / 8,422.04-11,622.39-5,066.81

Finding the Fourth Proportional to 8,422.04, 11,622.39 and 5,066.81

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Solution

The fourth proportional to 8,422.04, 11,622.39 and 5,066.81 is: 6,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.04 : 11,622.39 = 5,066.81 : x
  2. Step 2: Convert to fraction form
    8,422.04/11,622.39 = 5,066.81/x
  3. Step 3: Cross multiply
    8,422.04x = 11,622.39 × 5,066.81
  4. Step 4: Simplify right side
    8,422.04x = 58,888,383.76
  5. Step 5: Solve for x
    x = 58,888,383.76/8,422.04
  6. Step 6: Final answer
    x = 6,992.18

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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.