Home / 8,690.56-13,033.26-2,450.12

Finding the Fourth Proportional to 8,690.56, 13,033.26 and 2,450.12

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Solution

The fourth proportional to 8,690.56, 13,033.26 and 2,450.12 is: 3,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.56 : 13,033.26 = 2,450.12 : x
  2. Step 2: Convert to fraction form
    8,690.56/13,033.26 = 2,450.12/x
  3. Step 3: Cross multiply
    8,690.56x = 13,033.26 × 2,450.12
  4. Step 4: Simplify right side
    8,690.56x = 31,933,050.99
  5. Step 5: Solve for x
    x = 31,933,050.99/8,690.56
  6. Step 6: Final answer
    x = 3,674.45

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1.5x scale

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.