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Finding the Fourth Proportional to 4,734.36, 7,101.54 and 2,653.38

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Solution

The fourth proportional to 4,734.36, 7,101.54 and 2,653.38 is: 3,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734.36 : 7,101.54 = 2,653.38 : x
  2. Step 2: Convert to fraction form
    4,734.36/7,101.54 = 2,653.38/x
  3. Step 3: Cross multiply
    4,734.36x = 7,101.54 × 2,653.38
  4. Step 4: Simplify right side
    4,734.36x = 18,843,084.21
  5. Step 5: Solve for x
    x = 18,843,084.21/4,734.36
  6. Step 6: Final answer
    x = 3,980.07

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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.