Home / 5,501-8,245.21-2,211.99

Finding the Fourth Proportional to 5,501, 8,245.21 and 2,211.99

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Solution

The fourth proportional to 5,501, 8,245.21 and 2,211.99 is: 3,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501 : 8,245.21 = 2,211.99 : x
  2. Step 2: Convert to fraction form
    5,501/8,245.21 = 2,211.99/x
  3. Step 3: Cross multiply
    5,501x = 8,245.21 × 2,211.99
  4. Step 4: Simplify right side
    5,501x = 18,238,322.07
  5. Step 5: Solve for x
    x = 18,238,322.07/5,501
  6. Step 6: Final answer
    x = 3,315.46

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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.