Home / 5,099.60-7,037.57-2,861.64

Finding the Fourth Proportional to 5,099.60, 7,037.57 and 2,861.64

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Solution

The fourth proportional to 5,099.60, 7,037.57 and 2,861.64 is: 3,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.60 : 7,037.57 = 2,861.64 : x
  2. Step 2: Convert to fraction form
    5,099.60/7,037.57 = 2,861.64/x
  3. Step 3: Cross multiply
    5,099.60x = 7,037.57 × 2,861.64
  4. Step 4: Simplify right side
    5,099.60x = 20,138,977.51
  5. Step 5: Solve for x
    x = 20,138,977.51/5,099.60
  6. Step 6: Final answer
    x = 3,949.13

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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.