Home / 5,819.38-8,728.84-1,436.72

Finding the Fourth Proportional to 5,819.38, 8,728.84 and 1,436.72

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Solution

The fourth proportional to 5,819.38, 8,728.84 and 1,436.72 is: 2,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.38 : 8,728.84 = 1,436.72 : x
  2. Step 2: Convert to fraction form
    5,819.38/8,728.84 = 1,436.72/x
  3. Step 3: Cross multiply
    5,819.38x = 8,728.84 × 1,436.72
  4. Step 4: Simplify right side
    5,819.38x = 12,540,917.24
  5. Step 5: Solve for x
    x = 12,540,917.24/5,819.38
  6. Step 6: Final answer
    x = 2,155.03

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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.