Home / 7,825.98-11,739.60-2,558.91

Finding the Fourth Proportional to 7,825.98, 11,739.60 and 2,558.91

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Solution

The fourth proportional to 7,825.98, 11,739.60 and 2,558.91 is: 3,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.98 : 11,739.60 = 2,558.91 : x
  2. Step 2: Convert to fraction form
    7,825.98/11,739.60 = 2,558.91/x
  3. Step 3: Cross multiply
    7,825.98x = 11,739.60 × 2,558.91
  4. Step 4: Simplify right side
    7,825.98x = 30,040,579.84
  5. Step 5: Solve for x
    x = 30,040,579.84/7,825.98
  6. Step 6: Final answer
    x = 3,838.57

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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.