Home / 5,553.72-8,334.16-3,212.28

Finding the Fourth Proportional to 5,553.72, 8,334.16 and 3,212.28

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Solution

The fourth proportional to 5,553.72, 8,334.16 and 3,212.28 is: 4,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.72 : 8,334.16 = 3,212.28 : x
  2. Step 2: Convert to fraction form
    5,553.72/8,334.16 = 3,212.28/x
  3. Step 3: Cross multiply
    5,553.72x = 8,334.16 × 3,212.28
  4. Step 4: Simplify right side
    5,553.72x = 26,771,647.45
  5. Step 5: Solve for x
    x = 26,771,647.45/5,553.72
  6. Step 6: Final answer
    x = 4,820.49

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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.