Home / 8,143.67-11,238.77-4,558.56

Finding the Fourth Proportional to 8,143.67, 11,238.77 and 4,558.56

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Solution

The fourth proportional to 8,143.67, 11,238.77 and 4,558.56 is: 6,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.67 : 11,238.77 = 4,558.56 : x
  2. Step 2: Convert to fraction form
    8,143.67/11,238.77 = 4,558.56/x
  3. Step 3: Cross multiply
    8,143.67x = 11,238.77 × 4,558.56
  4. Step 4: Simplify right side
    8,143.67x = 51,232,584.58
  5. Step 5: Solve for x
    x = 51,232,584.58/8,143.67
  6. Step 6: Final answer
    x = 6,291.09

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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.