Home / 4,908.10-7,365.20-1,986.43

Finding the Fourth Proportional to 4,908.10, 7,365.20 and 1,986.43

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Solution

The fourth proportional to 4,908.10, 7,365.20 and 1,986.43 is: 2,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.10 : 7,365.20 = 1,986.43 : x
  2. Step 2: Convert to fraction form
    4,908.10/7,365.20 = 1,986.43/x
  3. Step 3: Cross multiply
    4,908.10x = 7,365.20 × 1,986.43
  4. Step 4: Simplify right side
    4,908.10x = 14,630,454.24
  5. Step 5: Solve for x
    x = 14,630,454.24/4,908.10
  6. Step 6: Final answer
    x = 2,980.88

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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.