Home / 4,394.99-6,588.38-2,640.45

Finding the Fourth Proportional to 4,394.99, 6,588.38 and 2,640.45

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Solution

The fourth proportional to 4,394.99, 6,588.38 and 2,640.45 is: 3,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394.99 : 6,588.38 = 2,640.45 : x
  2. Step 2: Convert to fraction form
    4,394.99/6,588.38 = 2,640.45/x
  3. Step 3: Cross multiply
    4,394.99x = 6,588.38 × 2,640.45
  4. Step 4: Simplify right side
    4,394.99x = 17,396,287.97
  5. Step 5: Solve for x
    x = 17,396,287.97/4,394.99
  6. Step 6: Final answer
    x = 3,958.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.