Home / 7,733.80-11,600.88-1,890.46

Finding the Fourth Proportional to 7,733.80, 11,600.88 and 1,890.46

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Solution

The fourth proportional to 7,733.80, 11,600.88 and 1,890.46 is: 2,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,733.80 : 11,600.88 = 1,890.46 : x
  2. Step 2: Convert to fraction form
    7,733.80/11,600.88 = 1,890.46/x
  3. Step 3: Cross multiply
    7,733.80x = 11,600.88 × 1,890.46
  4. Step 4: Simplify right side
    7,733.80x = 21,930,999.60
  5. Step 5: Solve for x
    x = 21,930,999.60/7,733.80
  6. Step 6: Final answer
    x = 2,835.73

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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.