Home / 7,169.70-9,892.57-4,025.68

Finding the Fourth Proportional to 7,169.70, 9,892.57 and 4,025.68

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Solution

The fourth proportional to 7,169.70, 9,892.57 and 4,025.68 is: 5,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.70 : 9,892.57 = 4,025.68 : x
  2. Step 2: Convert to fraction form
    7,169.70/9,892.57 = 4,025.68/x
  3. Step 3: Cross multiply
    7,169.70x = 9,892.57 × 4,025.68
  4. Step 4: Simplify right side
    7,169.70x = 39,824,321.20
  5. Step 5: Solve for x
    x = 39,824,321.20/7,169.70
  6. Step 6: Final answer
    x = 5,554.53

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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.