Home / 5,099.31-7,037.41-2,830.77

Finding the Fourth Proportional to 5,099.31, 7,037.41 and 2,830.77

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Solution

The fourth proportional to 5,099.31, 7,037.41 and 2,830.77 is: 3,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.31 : 7,037.41 = 2,830.77 : x
  2. Step 2: Convert to fraction form
    5,099.31/7,037.41 = 2,830.77/x
  3. Step 3: Cross multiply
    5,099.31x = 7,037.41 × 2,830.77
  4. Step 4: Simplify right side
    5,099.31x = 19,921,289.11
  5. Step 5: Solve for x
    x = 19,921,289.11/5,099.31
  6. Step 6: Final answer
    x = 3,906.66

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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.