Home / 5,475.69-7,556.45-2,991.69

Finding the Fourth Proportional to 5,475.69, 7,556.45 and 2,991.69

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Solution

The fourth proportional to 5,475.69, 7,556.45 and 2,991.69 is: 4,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.69 : 7,556.45 = 2,991.69 : x
  2. Step 2: Convert to fraction form
    5,475.69/7,556.45 = 2,991.69/x
  3. Step 3: Cross multiply
    5,475.69x = 7,556.45 × 2,991.69
  4. Step 4: Simplify right side
    5,475.69x = 22,606,555.90
  5. Step 5: Solve for x
    x = 22,606,555.90/5,475.69
  6. Step 6: Final answer
    x = 4,128.53

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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.