Home / 8,629.46-12,944.19-6,889.94

Finding the Fourth Proportional to 8,629.46, 12,944.19 and 6,889.94

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Solution

The fourth proportional to 8,629.46, 12,944.19 and 6,889.94 is: 10,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.46 : 12,944.19 = 6,889.94 : x
  2. Step 2: Convert to fraction form
    8,629.46/12,944.19 = 6,889.94/x
  3. Step 3: Cross multiply
    8,629.46x = 12,944.19 × 6,889.94
  4. Step 4: Simplify right side
    8,629.46x = 89,184,692.45
  5. Step 5: Solve for x
    x = 89,184,692.45/8,629.46
  6. Step 6: Final answer
    x = 10,334.91

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Similar ratio
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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.