Home / 5,819.80-8,732.40-3,049.60

Finding the Fourth Proportional to 5,819.80, 8,732.40 and 3,049.60

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Solution

The fourth proportional to 5,819.80, 8,732.40 and 3,049.60 is: 4,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.80 : 8,732.40 = 3,049.60 : x
  2. Step 2: Convert to fraction form
    5,819.80/8,732.40 = 3,049.60/x
  3. Step 3: Cross multiply
    5,819.80x = 8,732.40 × 3,049.60
  4. Step 4: Simplify right side
    5,819.80x = 26,630,327.04
  5. Step 5: Solve for x
    x = 26,630,327.04/5,819.80
  6. Step 6: Final answer
    x = 4,575.81

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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.