Home / 7,181.07-9,910.82-4,037.87

Finding the Fourth Proportional to 7,181.07, 9,910.82 and 4,037.87

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Solution

The fourth proportional to 7,181.07, 9,910.82 and 4,037.87 is: 5,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.07 : 9,910.82 = 4,037.87 : x
  2. Step 2: Convert to fraction form
    7,181.07/9,910.82 = 4,037.87/x
  3. Step 3: Cross multiply
    7,181.07x = 9,910.82 × 4,037.87
  4. Step 4: Simplify right side
    7,181.07x = 40,018,563.29
  5. Step 5: Solve for x
    x = 40,018,563.29/7,181.07
  6. Step 6: Final answer
    x = 5,572.79

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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.