Home / 7,274.37-10,910.94-2,890.65

Finding the Fourth Proportional to 7,274.37, 10,910.94 and 2,890.65

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Solution

The fourth proportional to 7,274.37, 10,910.94 and 2,890.65 is: 4,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.37 : 10,910.94 = 2,890.65 : x
  2. Step 2: Convert to fraction form
    7,274.37/10,910.94 = 2,890.65/x
  3. Step 3: Cross multiply
    7,274.37x = 10,910.94 × 2,890.65
  4. Step 4: Simplify right side
    7,274.37x = 31,539,708.71
  5. Step 5: Solve for x
    x = 31,539,708.71/7,274.37
  6. Step 6: Final answer
    x = 4,335.73

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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.