Home / 8,690.84-13,035.32-2,450.68

Finding the Fourth Proportional to 8,690.84, 13,035.32 and 2,450.68

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Solution

The fourth proportional to 8,690.84, 13,035.32 and 2,450.68 is: 3,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.84 : 13,035.32 = 2,450.68 : x
  2. Step 2: Convert to fraction form
    8,690.84/13,035.32 = 2,450.68/x
  3. Step 3: Cross multiply
    8,690.84x = 13,035.32 × 2,450.68
  4. Step 4: Simplify right side
    8,690.84x = 31,945,398.02
  5. Step 5: Solve for x
    x = 31,945,398.02/8,690.84
  6. Step 6: Final answer
    x = 3,675.75

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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.