Home / 5,558.45-8,335.58-2,269.78

Finding the Fourth Proportional to 5,558.45, 8,335.58 and 2,269.78

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Solution

The fourth proportional to 5,558.45, 8,335.58 and 2,269.78 is: 3,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.45 : 8,335.58 = 2,269.78 : x
  2. Step 2: Convert to fraction form
    5,558.45/8,335.58 = 2,269.78/x
  3. Step 3: Cross multiply
    5,558.45x = 8,335.58 × 2,269.78
  4. Step 4: Simplify right side
    5,558.45x = 18,919,900.58
  5. Step 5: Solve for x
    x = 18,919,900.58/5,558.45
  6. Step 6: Final answer
    x = 3,403.81

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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.