Home / 7,495.81-11,249.34-2,820.43

Finding the Fourth Proportional to 7,495.81, 11,249.34 and 2,820.43

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Solution

The fourth proportional to 7,495.81, 11,249.34 and 2,820.43 is: 4,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.81 : 11,249.34 = 2,820.43 : x
  2. Step 2: Convert to fraction form
    7,495.81/11,249.34 = 2,820.43/x
  3. Step 3: Cross multiply
    7,495.81x = 11,249.34 × 2,820.43
  4. Step 4: Simplify right side
    7,495.81x = 31,727,976.02
  5. Step 5: Solve for x
    x = 31,727,976.02/7,495.81
  6. Step 6: Final answer
    x = 4,232.76

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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.