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Finding the Fourth Proportional to 8,788.91, 13,192.48 and 5,887.49

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Solution

The fourth proportional to 8,788.91, 13,192.48 and 5,887.49 is: 8,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.91 : 13,192.48 = 5,887.49 : x
  2. Step 2: Convert to fraction form
    8,788.91/13,192.48 = 5,887.49/x
  3. Step 3: Cross multiply
    8,788.91x = 13,192.48 × 5,887.49
  4. Step 4: Simplify right side
    8,788.91x = 77,670,593.12
  5. Step 5: Solve for x
    x = 77,670,593.12/8,788.91
  6. Step 6: Final answer
    x = 8,837.34

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1.5x scale

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.