Home / 6,122.22-8,448.87-3,327.78

Finding the Fourth Proportional to 6,122.22, 8,448.87 and 3,327.78

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Solution

The fourth proportional to 6,122.22, 8,448.87 and 3,327.78 is: 4,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.22 : 8,448.87 = 3,327.78 : x
  2. Step 2: Convert to fraction form
    6,122.22/8,448.87 = 3,327.78/x
  3. Step 3: Cross multiply
    6,122.22x = 8,448.87 × 3,327.78
  4. Step 4: Simplify right side
    6,122.22x = 28,115,980.61
  5. Step 5: Solve for x
    x = 28,115,980.61/6,122.22
  6. Step 6: Final answer
    x = 4,592.45

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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.