Home / 8,518.75-11,755.06-6,281.83

Finding the Fourth Proportional to 8,518.75, 11,755.06 and 6,281.83

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Solution

The fourth proportional to 8,518.75, 11,755.06 and 6,281.83 is: 8,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.75 : 11,755.06 = 6,281.83 : x
  2. Step 2: Convert to fraction form
    8,518.75/11,755.06 = 6,281.83/x
  3. Step 3: Cross multiply
    8,518.75x = 11,755.06 × 6,281.83
  4. Step 4: Simplify right side
    8,518.75x = 73,843,287.55
  5. Step 5: Solve for x
    x = 73,843,287.55/8,518.75
  6. Step 6: Final answer
    x = 8,668.33

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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.