Home / 5,099.61-7,037.58-2,830.87

Finding the Fourth Proportional to 5,099.61, 7,037.58 and 2,830.87

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Solution

The fourth proportional to 5,099.61, 7,037.58 and 2,830.87 is: 3,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.61 : 7,037.58 = 2,830.87 : x
  2. Step 2: Convert to fraction form
    5,099.61/7,037.58 = 2,830.87/x
  3. Step 3: Cross multiply
    5,099.61x = 7,037.58 × 2,830.87
  4. Step 4: Simplify right side
    5,099.61x = 19,922,474.09
  5. Step 5: Solve for x
    x = 19,922,474.09/5,099.61
  6. Step 6: Final answer
    x = 3,906.67

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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.