Home / 7,273.40-10,910.12-2,890.82

Finding the Fourth Proportional to 7,273.40, 10,910.12 and 2,890.82

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Solution

The fourth proportional to 7,273.40, 10,910.12 and 2,890.82 is: 4,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.40 : 10,910.12 = 2,890.82 : x
  2. Step 2: Convert to fraction form
    7,273.40/10,910.12 = 2,890.82/x
  3. Step 3: Cross multiply
    7,273.40x = 10,910.12 × 2,890.82
  4. Step 4: Simplify right side
    7,273.40x = 31,539,205.92
  5. Step 5: Solve for x
    x = 31,539,205.92/7,273.40
  6. Step 6: Final answer
    x = 4,336.24

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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.