Home / 5,307.36-7,961.04-2,019.69

Finding the Fourth Proportional to 5,307.36, 7,961.04 and 2,019.69

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Solution

The fourth proportional to 5,307.36, 7,961.04 and 2,019.69 is: 3,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.36 : 7,961.04 = 2,019.69 : x
  2. Step 2: Convert to fraction form
    5,307.36/7,961.04 = 2,019.69/x
  3. Step 3: Cross multiply
    5,307.36x = 7,961.04 × 2,019.69
  4. Step 4: Simplify right side
    5,307.36x = 16,078,832.88
  5. Step 5: Solve for x
    x = 16,078,832.88/5,307.36
  6. Step 6: Final answer
    x = 3,029.54

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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.