Home / 8,489.14-11,713.66-4,712.22

Finding the Fourth Proportional to 8,489.14, 11,713.66 and 4,712.22

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Solution

The fourth proportional to 8,489.14, 11,713.66 and 4,712.22 is: 6,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.14 : 11,713.66 = 4,712.22 : x
  2. Step 2: Convert to fraction form
    8,489.14/11,713.66 = 4,712.22/x
  3. Step 3: Cross multiply
    8,489.14x = 11,713.66 × 4,712.22
  4. Step 4: Simplify right side
    8,489.14x = 55,197,342.93
  5. Step 5: Solve for x
    x = 55,197,342.93/8,489.14
  6. Step 6: Final answer
    x = 6,502.11

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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.