Home / 4,819.65-6,643.43-3,933.93

Finding the Fourth Proportional to 4,819.65, 6,643.43 and 3,933.93

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Solution

The fourth proportional to 4,819.65, 6,643.43 and 3,933.93 is: 5,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.65 : 6,643.43 = 3,933.93 : x
  2. Step 2: Convert to fraction form
    4,819.65/6,643.43 = 3,933.93/x
  3. Step 3: Cross multiply
    4,819.65x = 6,643.43 × 3,933.93
  4. Step 4: Simplify right side
    4,819.65x = 26,134,768.91
  5. Step 5: Solve for x
    x = 26,134,768.91/4,819.65
  6. Step 6: Final answer
    x = 5,422.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.