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Finding the Fourth Proportional to 4,908, 7,363.08 and 1,986.48

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Solution

The fourth proportional to 4,908, 7,363.08 and 1,986.48 is: 2,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908 : 7,363.08 = 1,986.48 : x
  2. Step 2: Convert to fraction form
    4,908/7,363.08 = 1,986.48/x
  3. Step 3: Cross multiply
    4,908x = 7,363.08 × 1,986.48
  4. Step 4: Simplify right side
    4,908x = 14,626,611.16
  5. Step 5: Solve for x
    x = 14,626,611.16/4,908
  6. Step 6: Final answer
    x = 2,980.16

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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.