Home / 4,859.65-6,706.28-2,763.78

Finding the Fourth Proportional to 4,859.65, 6,706.28 and 2,763.78

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Solution

The fourth proportional to 4,859.65, 6,706.28 and 2,763.78 is: 3,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.65 : 6,706.28 = 2,763.78 : x
  2. Step 2: Convert to fraction form
    4,859.65/6,706.28 = 2,763.78/x
  3. Step 3: Cross multiply
    4,859.65x = 6,706.28 × 2,763.78
  4. Step 4: Simplify right side
    4,859.65x = 18,534,648.75
  5. Step 5: Solve for x
    x = 18,534,648.75/4,859.65
  6. Step 6: Final answer
    x = 3,813.99

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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.