Home / 5,099.66-7,037.88-2,861.72

Finding the Fourth Proportional to 5,099.66, 7,037.88 and 2,861.72

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Solution

The fourth proportional to 5,099.66, 7,037.88 and 2,861.72 is: 3,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.66 : 7,037.88 = 2,861.72 : x
  2. Step 2: Convert to fraction form
    5,099.66/7,037.88 = 2,861.72/x
  3. Step 3: Cross multiply
    5,099.66x = 7,037.88 × 2,861.72
  4. Step 4: Simplify right side
    5,099.66x = 20,140,441.95
  5. Step 5: Solve for x
    x = 20,140,441.95/5,099.66
  6. Step 6: Final answer
    x = 3,949.37

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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.