Home / 7,387.98-11,078.28-2,704.65

Finding the Fourth Proportional to 7,387.98, 11,078.28 and 2,704.65

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Solution

The fourth proportional to 7,387.98, 11,078.28 and 2,704.65 is: 4,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.98 : 11,078.28 = 2,704.65 : x
  2. Step 2: Convert to fraction form
    7,387.98/11,078.28 = 2,704.65/x
  3. Step 3: Cross multiply
    7,387.98x = 11,078.28 × 2,704.65
  4. Step 4: Simplify right side
    7,387.98x = 29,962,870.00
  5. Step 5: Solve for x
    x = 29,962,870.00/7,387.98
  6. Step 6: Final answer
    x = 4,055.62

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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.