Home / 7,037.12-9,711.44-3,893.30

Finding the Fourth Proportional to 7,037.12, 9,711.44 and 3,893.30

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Solution

The fourth proportional to 7,037.12, 9,711.44 and 3,893.30 is: 5,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.12 : 9,711.44 = 3,893.30 : x
  2. Step 2: Convert to fraction form
    7,037.12/9,711.44 = 3,893.30/x
  3. Step 3: Cross multiply
    7,037.12x = 9,711.44 × 3,893.30
  4. Step 4: Simplify right side
    7,037.12x = 37,809,481.33
  5. Step 5: Solve for x
    x = 37,809,481.33/7,037.12
  6. Step 6: Final answer
    x = 5,372.87

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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.