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Finding the Fourth Proportional to 8,976.09, 13,460.90 and 3,782.37

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Solution

The fourth proportional to 8,976.09, 13,460.90 and 3,782.37 is: 5,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.09 : 13,460.90 = 3,782.37 : x
  2. Step 2: Convert to fraction form
    8,976.09/13,460.90 = 3,782.37/x
  3. Step 3: Cross multiply
    8,976.09x = 13,460.90 × 3,782.37
  4. Step 4: Simplify right side
    8,976.09x = 50,914,085.42
  5. Step 5: Solve for x
    x = 50,914,085.42/8,976.09
  6. Step 6: Final answer
    x = 5,672.19

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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.