Home / 5,819.45-8,729.17-1,436.84

Finding the Fourth Proportional to 5,819.45, 8,729.17 and 1,436.84

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Solution

The fourth proportional to 5,819.45, 8,729.17 and 1,436.84 is: 2,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.45 : 8,729.17 = 1,436.84 : x
  2. Step 2: Convert to fraction form
    5,819.45/8,729.17 = 1,436.84/x
  3. Step 3: Cross multiply
    5,819.45x = 8,729.17 × 1,436.84
  4. Step 4: Simplify right side
    5,819.45x = 12,542,406.12
  5. Step 5: Solve for x
    x = 12,542,406.12/5,819.45
  6. Step 6: Final answer
    x = 2,155.26

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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.