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Finding the Fourth Proportional to 5,475.94, 7,556.80 and 2,991.94

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Solution

The fourth proportional to 5,475.94, 7,556.80 and 2,991.94 is: 4,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.94 : 7,556.80 = 2,991.94 : x
  2. Step 2: Convert to fraction form
    5,475.94/7,556.80 = 2,991.94/x
  3. Step 3: Cross multiply
    5,475.94x = 7,556.80 × 2,991.94
  4. Step 4: Simplify right side
    5,475.94x = 22,609,492.19
  5. Step 5: Solve for x
    x = 22,609,492.19/5,475.94
  6. Step 6: Final answer
    x = 4,128.88

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