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Finding the Fourth Proportional to 4,012.62, 6,021.31 and 1,821.32

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Solution

The fourth proportional to 4,012.62, 6,021.31 and 1,821.32 is: 2,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.62 : 6,021.31 = 1,821.32 : x
  2. Step 2: Convert to fraction form
    4,012.62/6,021.31 = 1,821.32/x
  3. Step 3: Cross multiply
    4,012.62x = 6,021.31 × 1,821.32
  4. Step 4: Simplify right side
    4,012.62x = 10,966,697.67
  5. Step 5: Solve for x
    x = 10,966,697.67/4,012.62
  6. Step 6: Final answer
    x = 2,733.05

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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.