Home / 4,977.73-7,467.50-1,690.65

Finding the Fourth Proportional to 4,977.73, 7,467.50 and 1,690.65

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Solution

The fourth proportional to 4,977.73, 7,467.50 and 1,690.65 is: 2,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.73 : 7,467.50 = 1,690.65 : x
  2. Step 2: Convert to fraction form
    4,977.73/7,467.50 = 1,690.65/x
  3. Step 3: Cross multiply
    4,977.73x = 7,467.50 × 1,690.65
  4. Step 4: Simplify right side
    4,977.73x = 12,624,928.88
  5. Step 5: Solve for x
    x = 12,624,928.88/4,977.73
  6. Step 6: Final answer
    x = 2,536.28

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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.