Home / 8,141.56-11,240.40-6,249.52

Finding the Fourth Proportional to 8,141.56, 11,240.40 and 6,249.52

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Solution

The fourth proportional to 8,141.56, 11,240.40 and 6,249.52 is: 8,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.56 : 11,240.40 = 6,249.52 : x
  2. Step 2: Convert to fraction form
    8,141.56/11,240.40 = 6,249.52/x
  3. Step 3: Cross multiply
    8,141.56x = 11,240.40 × 6,249.52
  4. Step 4: Simplify right side
    8,141.56x = 70,247,104.61
  5. Step 5: Solve for x
    x = 70,247,104.61/8,141.56
  6. Step 6: Final answer
    x = 8,628.21

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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.