Home / 8,625.27-11,900.89-6,238.74

Finding the Fourth Proportional to 8,625.27, 11,900.89 and 6,238.74

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Solution

The fourth proportional to 8,625.27, 11,900.89 and 6,238.74 is: 8,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.27 : 11,900.89 = 6,238.74 : x
  2. Step 2: Convert to fraction form
    8,625.27/11,900.89 = 6,238.74/x
  3. Step 3: Cross multiply
    8,625.27x = 11,900.89 × 6,238.74
  4. Step 4: Simplify right side
    8,625.27x = 74,246,558.48
  5. Step 5: Solve for x
    x = 74,246,558.48/8,625.27
  6. Step 6: Final answer
    x = 8,608.03

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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.