Home / 7,028.65-9,704.01-4,379.95

Finding the Fourth Proportional to 7,028.65, 9,704.01 and 4,379.95

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Solution

The fourth proportional to 7,028.65, 9,704.01 and 4,379.95 is: 6,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.65 : 9,704.01 = 4,379.95 : x
  2. Step 2: Convert to fraction form
    7,028.65/9,704.01 = 4,379.95/x
  3. Step 3: Cross multiply
    7,028.65x = 9,704.01 × 4,379.95
  4. Step 4: Simplify right side
    7,028.65x = 42,503,078.60
  5. Step 5: Solve for x
    x = 42,503,078.60/7,028.65
  6. Step 6: Final answer
    x = 6,047.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.