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Finding the Fourth Proportional to 8,012.92, 12,015.41 and 2,746.45

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Solution

The fourth proportional to 8,012.92, 12,015.41 and 2,746.45 is: 4,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.92 : 12,015.41 = 2,746.45 : x
  2. Step 2: Convert to fraction form
    8,012.92/12,015.41 = 2,746.45/x
  3. Step 3: Cross multiply
    8,012.92x = 12,015.41 × 2,746.45
  4. Step 4: Simplify right side
    8,012.92x = 32,999,709.06
  5. Step 5: Solve for x
    x = 32,999,709.06/8,012.92
  6. Step 6: Final answer
    x = 4,118.31

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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.