Home / 8,425.81-11,637.97-6,310.79

Finding the Fourth Proportional to 8,425.81, 11,637.97 and 6,310.79

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Solution

The fourth proportional to 8,425.81, 11,637.97 and 6,310.79 is: 8,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.81 : 11,637.97 = 6,310.79 : x
  2. Step 2: Convert to fraction form
    8,425.81/11,637.97 = 6,310.79/x
  3. Step 3: Cross multiply
    8,425.81x = 11,637.97 × 6,310.79
  4. Step 4: Simplify right side
    8,425.81x = 73,444,754.37
  5. Step 5: Solve for x
    x = 73,444,754.37/8,425.81
  6. Step 6: Final answer
    x = 8,716.64

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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.