Home / 7,341.45-11,015.96-3,643.61

Finding the Fourth Proportional to 7,341.45, 11,015.96 and 3,643.61

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Solution

The fourth proportional to 7,341.45, 11,015.96 and 3,643.61 is: 5,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.45 : 11,015.96 = 3,643.61 : x
  2. Step 2: Convert to fraction form
    7,341.45/11,015.96 = 3,643.61/x
  3. Step 3: Cross multiply
    7,341.45x = 11,015.96 × 3,643.61
  4. Step 4: Simplify right side
    7,341.45x = 40,137,788.72
  5. Step 5: Solve for x
    x = 40,137,788.72/7,341.45
  6. Step 6: Final answer
    x = 5,467.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.