Home / 8,211.25-11,334.41-4,899.25

Finding the Fourth Proportional to 8,211.25, 11,334.41 and 4,899.25

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Solution

The fourth proportional to 8,211.25, 11,334.41 and 4,899.25 is: 6,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.25 : 11,334.41 = 4,899.25 : x
  2. Step 2: Convert to fraction form
    8,211.25/11,334.41 = 4,899.25/x
  3. Step 3: Cross multiply
    8,211.25x = 11,334.41 × 4,899.25
  4. Step 4: Simplify right side
    8,211.25x = 55,530,108.19
  5. Step 5: Solve for x
    x = 55,530,108.19/8,211.25
  6. Step 6: Final answer
    x = 6,762.69

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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.