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Finding the Fourth Proportional to 5,628, 8,436.24 and 2,343

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Solution

The fourth proportional to 5,628, 8,436.24 and 2,343 is: 3,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628 : 8,436.24 = 2,343 : x
  2. Step 2: Convert to fraction form
    5,628/8,436.24 = 2,343/x
  3. Step 3: Cross multiply
    5,628x = 8,436.24 × 2,343
  4. Step 4: Simplify right side
    5,628x = 19,766,110.32
  5. Step 5: Solve for x
    x = 19,766,110.32/5,628
  6. Step 6: Final answer
    x = 3,512.10

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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.