Home / 7,675.22-11,515.26-2,744.75

Finding the Fourth Proportional to 7,675.22, 11,515.26 and 2,744.75

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Solution

The fourth proportional to 7,675.22, 11,515.26 and 2,744.75 is: 4,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.22 : 11,515.26 = 2,744.75 : x
  2. Step 2: Convert to fraction form
    7,675.22/11,515.26 = 2,744.75/x
  3. Step 3: Cross multiply
    7,675.22x = 11,515.26 × 2,744.75
  4. Step 4: Simplify right side
    7,675.22x = 31,606,509.89
  5. Step 5: Solve for x
    x = 31,606,509.89/7,675.22
  6. Step 6: Final answer
    x = 4,117.99

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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.