Home / 5,115.26-7,673.75-1,604.58

Finding the Fourth Proportional to 5,115.26, 7,673.75 and 1,604.58

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Solution

The fourth proportional to 5,115.26, 7,673.75 and 1,604.58 is: 2,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.26 : 7,673.75 = 1,604.58 : x
  2. Step 2: Convert to fraction form
    5,115.26/7,673.75 = 1,604.58/x
  3. Step 3: Cross multiply
    5,115.26x = 7,673.75 × 1,604.58
  4. Step 4: Simplify right side
    5,115.26x = 12,313,137.75
  5. Step 5: Solve for x
    x = 12,313,137.75/5,115.26
  6. Step 6: Final answer
    x = 2,407.14

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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.