Home / 5,107.26-7,661.99-1,775.62

Finding the Fourth Proportional to 5,107.26, 7,661.99 and 1,775.62

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Solution

The fourth proportional to 5,107.26, 7,661.99 and 1,775.62 is: 2,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.26 : 7,661.99 = 1,775.62 : x
  2. Step 2: Convert to fraction form
    5,107.26/7,661.99 = 1,775.62/x
  3. Step 3: Cross multiply
    5,107.26x = 7,661.99 × 1,775.62
  4. Step 4: Simplify right side
    5,107.26x = 13,604,782.68
  5. Step 5: Solve for x
    x = 13,604,782.68/5,107.26
  6. Step 6: Final answer
    x = 2,663.81

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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.