Home / 7,868.35-11,792.80-4,738.51

Finding the Fourth Proportional to 7,868.35, 11,792.80 and 4,738.51

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Solution

The fourth proportional to 7,868.35, 11,792.80 and 4,738.51 is: 7,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.35 : 11,792.80 = 4,738.51 : x
  2. Step 2: Convert to fraction form
    7,868.35/11,792.80 = 4,738.51/x
  3. Step 3: Cross multiply
    7,868.35x = 11,792.80 × 4,738.51
  4. Step 4: Simplify right side
    7,868.35x = 55,880,300.73
  5. Step 5: Solve for x
    x = 55,880,300.73/7,868.35
  6. Step 6: Final answer
    x = 7,101.91

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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.