Home / 5,083.63-7,622.80-1,964.72

Finding the Fourth Proportional to 5,083.63, 7,622.80 and 1,964.72

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Solution

The fourth proportional to 5,083.63, 7,622.80 and 1,964.72 is: 2,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.63 : 7,622.80 = 1,964.72 : x
  2. Step 2: Convert to fraction form
    5,083.63/7,622.80 = 1,964.72/x
  3. Step 3: Cross multiply
    5,083.63x = 7,622.80 × 1,964.72
  4. Step 4: Simplify right side
    5,083.63x = 14,976,667.62
  5. Step 5: Solve for x
    x = 14,976,667.62/5,083.63
  6. Step 6: Final answer
    x = 2,946.06

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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.