Home / 8,257.09-12,391.53-4,558.36

Finding the Fourth Proportional to 8,257.09, 12,391.53 and 4,558.36

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Solution

The fourth proportional to 8,257.09, 12,391.53 and 4,558.36 is: 6,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.09 : 12,391.53 = 4,558.36 : x
  2. Step 2: Convert to fraction form
    8,257.09/12,391.53 = 4,558.36/x
  3. Step 3: Cross multiply
    8,257.09x = 12,391.53 × 4,558.36
  4. Step 4: Simplify right side
    8,257.09x = 56,485,054.69
  5. Step 5: Solve for x
    x = 56,485,054.69/8,257.09
  6. Step 6: Final answer
    x = 6,840.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.