Home / 7,621.24-11,426.44-2,937.28

Finding the Fourth Proportional to 7,621.24, 11,426.44 and 2,937.28

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Solution

The fourth proportional to 7,621.24, 11,426.44 and 2,937.28 is: 4,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.24 : 11,426.44 = 2,937.28 : x
  2. Step 2: Convert to fraction form
    7,621.24/11,426.44 = 2,937.28/x
  3. Step 3: Cross multiply
    7,621.24x = 11,426.44 × 2,937.28
  4. Step 4: Simplify right side
    7,621.24x = 33,562,653.68
  5. Step 5: Solve for x
    x = 33,562,653.68/7,621.24
  6. Step 6: Final answer
    x = 4,403.83

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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.