Home / 4,788.91-7,181.04-1,669.10

Finding the Fourth Proportional to 4,788.91, 7,181.04 and 1,669.10

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Solution

The fourth proportional to 4,788.91, 7,181.04 and 1,669.10 is: 2,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.91 : 7,181.04 = 1,669.10 : x
  2. Step 2: Convert to fraction form
    4,788.91/7,181.04 = 1,669.10/x
  3. Step 3: Cross multiply
    4,788.91x = 7,181.04 × 1,669.10
  4. Step 4: Simplify right side
    4,788.91x = 11,985,844.22
  5. Step 5: Solve for x
    x = 11,985,844.22/4,788.91
  6. Step 6: Final answer
    x = 2,502.83

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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.