Home / 7,825.57-11,739.07-2,829.19

Finding the Fourth Proportional to 7,825.57, 11,739.07 and 2,829.19

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Solution

The fourth proportional to 7,825.57, 11,739.07 and 2,829.19 is: 4,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.57 : 11,739.07 = 2,829.19 : x
  2. Step 2: Convert to fraction form
    7,825.57/11,739.07 = 2,829.19/x
  3. Step 3: Cross multiply
    7,825.57x = 11,739.07 × 2,829.19
  4. Step 4: Simplify right side
    7,825.57x = 33,212,063.91
  5. Step 5: Solve for x
    x = 33,212,063.91/7,825.57
  6. Step 6: Final answer
    x = 4,244.05

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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.