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Finding the Fourth Proportional to 6,512.44, 8,985.06 and 3,993.29

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Solution

The fourth proportional to 6,512.44, 8,985.06 and 3,993.29 is: 5,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.44 : 8,985.06 = 3,993.29 : x
  2. Step 2: Convert to fraction form
    6,512.44/8,985.06 = 3,993.29/x
  3. Step 3: Cross multiply
    6,512.44x = 8,985.06 × 3,993.29
  4. Step 4: Simplify right side
    6,512.44x = 35,879,930.28
  5. Step 5: Solve for x
    x = 35,879,930.28/6,512.44
  6. Step 6: Final answer
    x = 5,509.45

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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.