Home / 8,690.20-13,036.07-2,450.27

Finding the Fourth Proportional to 8,690.20, 13,036.07 and 2,450.27

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Solution

The fourth proportional to 8,690.20, 13,036.07 and 2,450.27 is: 3,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.20 : 13,036.07 = 2,450.27 : x
  2. Step 2: Convert to fraction form
    8,690.20/13,036.07 = 2,450.27/x
  3. Step 3: Cross multiply
    8,690.20x = 13,036.07 × 2,450.27
  4. Step 4: Simplify right side
    8,690.20x = 31,941,813.81
  5. Step 5: Solve for x
    x = 31,941,813.81/8,690.20
  6. Step 6: Final answer
    x = 3,675.61

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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.