Home / 7,169.09-9,893.45-4,025.21

Finding the Fourth Proportional to 7,169.09, 9,893.45 and 4,025.21

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Solution

The fourth proportional to 7,169.09, 9,893.45 and 4,025.21 is: 5,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.09 : 9,893.45 = 4,025.21 : x
  2. Step 2: Convert to fraction form
    7,169.09/9,893.45 = 4,025.21/x
  3. Step 3: Cross multiply
    7,169.09x = 9,893.45 × 4,025.21
  4. Step 4: Simplify right side
    7,169.09x = 39,823,174.47
  5. Step 5: Solve for x
    x = 39,823,174.47/7,169.09
  6. Step 6: Final answer
    x = 5,554.85

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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.