Home / 7,825.34-11,739.36-2,630

Finding the Fourth Proportional to 7,825.34, 11,739.36 and 2,630

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Solution

The fourth proportional to 7,825.34, 11,739.36 and 2,630 is: 3,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.34 : 11,739.36 = 2,630 : x
  2. Step 2: Convert to fraction form
    7,825.34/11,739.36 = 2,630/x
  3. Step 3: Cross multiply
    7,825.34x = 11,739.36 × 2,630
  4. Step 4: Simplify right side
    7,825.34x = 30,874,516.80
  5. Step 5: Solve for x
    x = 30,874,516.80/7,825.34
  6. Step 6: Final answer
    x = 3,945.45

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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.