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Finding the Fourth Proportional to 6,081.21, 9,074.21 and 5,293.89

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Solution

The fourth proportional to 6,081.21, 9,074.21 and 5,293.89 is: 7,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.21 : 9,074.21 = 5,293.89 : x
  2. Step 2: Convert to fraction form
    6,081.21/9,074.21 = 5,293.89/x
  3. Step 3: Cross multiply
    6,081.21x = 9,074.21 × 5,293.89
  4. Step 4: Simplify right side
    6,081.21x = 48,037,843.11
  5. Step 5: Solve for x
    x = 48,037,843.11/6,081.21
  6. Step 6: Final answer
    x = 7,899.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.