Home / 5,081.89-7,621.44-2,451.12

Finding the Fourth Proportional to 5,081.89, 7,621.44 and 2,451.12

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Solution

The fourth proportional to 5,081.89, 7,621.44 and 2,451.12 is: 3,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.89 : 7,621.44 = 2,451.12 : x
  2. Step 2: Convert to fraction form
    5,081.89/7,621.44 = 2,451.12/x
  3. Step 3: Cross multiply
    5,081.89x = 7,621.44 × 2,451.12
  4. Step 4: Simplify right side
    5,081.89x = 18,681,064.01
  5. Step 5: Solve for x
    x = 18,681,064.01/5,081.89
  6. Step 6: Final answer
    x = 3,676.01

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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.