Home / 5,558.08-7,669.68-3,199.84

Finding the Fourth Proportional to 5,558.08, 7,669.68 and 3,199.84

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Solution

The fourth proportional to 5,558.08, 7,669.68 and 3,199.84 is: 4,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.08 : 7,669.68 = 3,199.84 : x
  2. Step 2: Convert to fraction form
    5,558.08/7,669.68 = 3,199.84/x
  3. Step 3: Cross multiply
    5,558.08x = 7,669.68 × 3,199.84
  4. Step 4: Simplify right side
    5,558.08x = 24,541,748.85
  5. Step 5: Solve for x
    x = 24,541,748.85/5,558.08
  6. Step 6: Final answer
    x = 4,415.51

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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.