Home / 7,257.36-10,015.74-4,113.75

Finding the Fourth Proportional to 7,257.36, 10,015.74 and 4,113.75

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Solution

The fourth proportional to 7,257.36, 10,015.74 and 4,113.75 is: 5,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.36 : 10,015.74 = 4,113.75 : x
  2. Step 2: Convert to fraction form
    7,257.36/10,015.74 = 4,113.75/x
  3. Step 3: Cross multiply
    7,257.36x = 10,015.74 × 4,113.75
  4. Step 4: Simplify right side
    7,257.36x = 41,202,250.43
  5. Step 5: Solve for x
    x = 41,202,250.43/7,257.36
  6. Step 6: Final answer
    x = 5,677.31

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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.