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Finding the Fourth Proportional to 5,795.98, 7,998.44 and 3,143.37

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Solution

The fourth proportional to 5,795.98, 7,998.44 and 3,143.37 is: 4,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.98 : 7,998.44 = 3,143.37 : x
  2. Step 2: Convert to fraction form
    5,795.98/7,998.44 = 3,143.37/x
  3. Step 3: Cross multiply
    5,795.98x = 7,998.44 × 3,143.37
  4. Step 4: Simplify right side
    5,795.98x = 25,142,056.34
  5. Step 5: Solve for x
    x = 25,142,056.34/5,795.98
  6. Step 6: Final answer
    x = 4,337.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.