Home / 7,733.88-11,600.46-1,890.18

Finding the Fourth Proportional to 7,733.88, 11,600.46 and 1,890.18

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Solution

The fourth proportional to 7,733.88, 11,600.46 and 1,890.18 is: 2,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,733.88 : 11,600.46 = 1,890.18 : x
  2. Step 2: Convert to fraction form
    7,733.88/11,600.46 = 1,890.18/x
  3. Step 3: Cross multiply
    7,733.88x = 11,600.46 × 1,890.18
  4. Step 4: Simplify right side
    7,733.88x = 21,926,957.48
  5. Step 5: Solve for x
    x = 21,926,957.48/7,733.88
  6. Step 6: Final answer
    x = 2,835.18

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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.