Home / 7,235.21-10,847.14-2,855.95

Finding the Fourth Proportional to 7,235.21, 10,847.14 and 2,855.95

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Solution

The fourth proportional to 7,235.21, 10,847.14 and 2,855.95 is: 4,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.21 : 10,847.14 = 2,855.95 : x
  2. Step 2: Convert to fraction form
    7,235.21/10,847.14 = 2,855.95/x
  3. Step 3: Cross multiply
    7,235.21x = 10,847.14 × 2,855.95
  4. Step 4: Simplify right side
    7,235.21x = 30,978,855.23
  5. Step 5: Solve for x
    x = 30,978,855.23/7,235.21
  6. Step 6: Final answer
    x = 4,281.68

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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.