Home / 4,408.74-6,084.72-2,640.78

Finding the Fourth Proportional to 4,408.74, 6,084.72 and 2,640.78

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Solution

The fourth proportional to 4,408.74, 6,084.72 and 2,640.78 is: 3,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.74 : 6,084.72 = 2,640.78 : x
  2. Step 2: Convert to fraction form
    4,408.74/6,084.72 = 2,640.78/x
  3. Step 3: Cross multiply
    4,408.74x = 6,084.72 × 2,640.78
  4. Step 4: Simplify right side
    4,408.74x = 16,068,406.88
  5. Step 5: Solve for x
    x = 16,068,406.88/4,408.74
  6. Step 6: Final answer
    x = 3,644.67

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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.