Home / 7,316.82-10,975.53-2,122.70

Finding the Fourth Proportional to 7,316.82, 10,975.53 and 2,122.70

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Solution

The fourth proportional to 7,316.82, 10,975.53 and 2,122.70 is: 3,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.82 : 10,975.53 = 2,122.70 : x
  2. Step 2: Convert to fraction form
    7,316.82/10,975.53 = 2,122.70/x
  3. Step 3: Cross multiply
    7,316.82x = 10,975.53 × 2,122.70
  4. Step 4: Simplify right side
    7,316.82x = 23,297,702.65
  5. Step 5: Solve for x
    x = 23,297,702.65/7,316.82
  6. Step 6: Final answer
    x = 3,184.13

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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.