Home / 8,489.36-11,716.72-4,713.74

Finding the Fourth Proportional to 8,489.36, 11,716.72 and 4,713.74

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Solution

The fourth proportional to 8,489.36, 11,716.72 and 4,713.74 is: 6,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.36 : 11,716.72 = 4,713.74 : x
  2. Step 2: Convert to fraction form
    8,489.36/11,716.72 = 4,713.74/x
  3. Step 3: Cross multiply
    8,489.36x = 11,716.72 × 4,713.74
  4. Step 4: Simplify right side
    8,489.36x = 55,229,501.36
  5. Step 5: Solve for x
    x = 55,229,501.36/8,489.36
  6. Step 6: Final answer
    x = 6,505.73

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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.