Home / 6,865.14-10,300.65-2,185.53

Finding the Fourth Proportional to 6,865.14, 10,300.65 and 2,185.53

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Solution

The fourth proportional to 6,865.14, 10,300.65 and 2,185.53 is: 3,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.14 : 10,300.65 = 2,185.53 : x
  2. Step 2: Convert to fraction form
    6,865.14/10,300.65 = 2,185.53/x
  3. Step 3: Cross multiply
    6,865.14x = 10,300.65 × 2,185.53
  4. Step 4: Simplify right side
    6,865.14x = 22,512,379.59
  5. Step 5: Solve for x
    x = 22,512,379.59/6,865.14
  6. Step 6: Final answer
    x = 3,279.23

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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.