Home / 7,723.20-11,573.70-4,799.80

Finding the Fourth Proportional to 7,723.20, 11,573.70 and 4,799.80

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Solution

The fourth proportional to 7,723.20, 11,573.70 and 4,799.80 is: 7,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.20 : 11,573.70 = 4,799.80 : x
  2. Step 2: Convert to fraction form
    7,723.20/11,573.70 = 4,799.80/x
  3. Step 3: Cross multiply
    7,723.20x = 11,573.70 × 4,799.80
  4. Step 4: Simplify right side
    7,723.20x = 55,551,445.26
  5. Step 5: Solve for x
    x = 55,551,445.26/7,723.20
  6. Step 6: Final answer
    x = 7,192.80

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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.