Home / 7,825.62-11,739.24-2,631.63

Finding the Fourth Proportional to 7,825.62, 11,739.24 and 2,631.63

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Solution

The fourth proportional to 7,825.62, 11,739.24 and 2,631.63 is: 3,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.62 : 11,739.24 = 2,631.63 : x
  2. Step 2: Convert to fraction form
    7,825.62/11,739.24 = 2,631.63/x
  3. Step 3: Cross multiply
    7,825.62x = 11,739.24 × 2,631.63
  4. Step 4: Simplify right side
    7,825.62x = 30,893,336.16
  5. Step 5: Solve for x
    x = 30,893,336.16/7,825.62
  6. Step 6: Final answer
    x = 3,947.72

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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.