Home / 5,619.47-7,698.57-5,409.14

Finding the Fourth Proportional to 5,619.47, 7,698.57 and 5,409.14

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Solution

The fourth proportional to 5,619.47, 7,698.57 and 5,409.14 is: 7,410.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.47 : 7,698.57 = 5,409.14 : x
  2. Step 2: Convert to fraction form
    5,619.47/7,698.57 = 5,409.14/x
  3. Step 3: Cross multiply
    5,619.47x = 7,698.57 × 5,409.14
  4. Step 4: Simplify right side
    5,619.47x = 41,642,604.44
  5. Step 5: Solve for x
    x = 41,642,604.44/5,619.47
  6. Step 6: Final answer
    x = 7,410.42

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.