Home / 9,205.18-13,811.87-4,821.62

Finding the Fourth Proportional to 9,205.18, 13,811.87 and 4,821.62

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Solution

The fourth proportional to 9,205.18, 13,811.87 and 4,821.62 is: 7,234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.18 : 13,811.87 = 4,821.62 : x
  2. Step 2: Convert to fraction form
    9,205.18/13,811.87 = 4,821.62/x
  3. Step 3: Cross multiply
    9,205.18x = 13,811.87 × 4,821.62
  4. Step 4: Simplify right side
    9,205.18x = 66,595,531.62
  5. Step 5: Solve for x
    x = 66,595,531.62/9,205.18
  6. Step 6: Final answer
    x = 7,234.57

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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.