Home / 8,214.35-11,331.74-4,855.55

Finding the Fourth Proportional to 8,214.35, 11,331.74 and 4,855.55

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Solution

The fourth proportional to 8,214.35, 11,331.74 and 4,855.55 is: 6,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.35 : 11,331.74 = 4,855.55 : x
  2. Step 2: Convert to fraction form
    8,214.35/11,331.74 = 4,855.55/x
  3. Step 3: Cross multiply
    8,214.35x = 11,331.74 × 4,855.55
  4. Step 4: Simplify right side
    8,214.35x = 55,021,805.88
  5. Step 5: Solve for x
    x = 55,021,805.88/8,214.35
  6. Step 6: Final answer
    x = 6,698.25

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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.