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Finding the Fourth Proportional to 4,868.75, 6,718.88 and 3,099.98

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Solution

The fourth proportional to 4,868.75, 6,718.88 and 3,099.98 is: 4,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.75 : 6,718.88 = 3,099.98 : x
  2. Step 2: Convert to fraction form
    4,868.75/6,718.88 = 3,099.98/x
  3. Step 3: Cross multiply
    4,868.75x = 6,718.88 × 3,099.98
  4. Step 4: Simplify right side
    4,868.75x = 20,828,393.62
  5. Step 5: Solve for x
    x = 20,828,393.62/4,868.75
  6. Step 6: Final answer
    x = 4,277.98

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