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Finding the Fourth Proportional to 6,888, 10,332 and 2,271.36

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Solution

The fourth proportional to 6,888, 10,332 and 2,271.36 is: 3,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888 : 10,332 = 2,271.36 : x
  2. Step 2: Convert to fraction form
    6,888/10,332 = 2,271.36/x
  3. Step 3: Cross multiply
    6,888x = 10,332 × 2,271.36
  4. Step 4: Simplify right side
    6,888x = 23,467,691.52
  5. Step 5: Solve for x
    x = 23,467,691.52/6,888
  6. Step 6: Final answer
    x = 3,407.04

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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.