Home / 5,558-7,670.16-3,199.76

Finding the Fourth Proportional to 5,558, 7,670.16 and 3,199.76

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Solution

The fourth proportional to 5,558, 7,670.16 and 3,199.76 is: 4,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558 : 7,670.16 = 3,199.76 : x
  2. Step 2: Convert to fraction form
    5,558/7,670.16 = 3,199.76/x
  3. Step 3: Cross multiply
    5,558x = 7,670.16 × 3,199.76
  4. Step 4: Simplify right side
    5,558x = 24,542,671.16
  5. Step 5: Solve for x
    x = 24,542,671.16/5,558
  6. Step 6: Final answer
    x = 4,415.74

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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.