Home / 5,113.82-7,054.70-2,989.44

Finding the Fourth Proportional to 5,113.82, 7,054.70 and 2,989.44

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Solution

The fourth proportional to 5,113.82, 7,054.70 and 2,989.44 is: 4,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.82 : 7,054.70 = 2,989.44 : x
  2. Step 2: Convert to fraction form
    5,113.82/7,054.70 = 2,989.44/x
  3. Step 3: Cross multiply
    5,113.82x = 7,054.70 × 2,989.44
  4. Step 4: Simplify right side
    5,113.82x = 21,089,602.37
  5. Step 5: Solve for x
    x = 21,089,602.37/5,113.82
  6. Step 6: Final answer
    x = 4,124.04

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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.