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Finding the Fourth Proportional to 7,645.52, 10,553.06 and 4,993.33

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Solution

The fourth proportional to 7,645.52, 10,553.06 and 4,993.33 is: 6,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.52 : 10,553.06 = 4,993.33 : x
  2. Step 2: Convert to fraction form
    7,645.52/10,553.06 = 4,993.33/x
  3. Step 3: Cross multiply
    7,645.52x = 10,553.06 × 4,993.33
  4. Step 4: Simplify right side
    7,645.52x = 52,694,911.09
  5. Step 5: Solve for x
    x = 52,694,911.09/7,645.52
  6. Step 6: Final answer
    x = 6,892.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.