Home / 5,505.66-8,264.97-2,221.11

Finding the Fourth Proportional to 5,505.66, 8,264.97 and 2,221.11

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Solution

The fourth proportional to 5,505.66, 8,264.97 and 2,221.11 is: 3,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.66 : 8,264.97 = 2,221.11 : x
  2. Step 2: Convert to fraction form
    5,505.66/8,264.97 = 2,221.11/x
  3. Step 3: Cross multiply
    5,505.66x = 8,264.97 × 2,221.11
  4. Step 4: Simplify right side
    5,505.66x = 18,357,407.52
  5. Step 5: Solve for x
    x = 18,357,407.52/5,505.66
  6. Step 6: Final answer
    x = 3,334.28

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1.5x scale

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.