Home / 7,713.55-11,571.14-2,518.75

Finding the Fourth Proportional to 7,713.55, 11,571.14 and 2,518.75

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Solution

The fourth proportional to 7,713.55, 11,571.14 and 2,518.75 is: 3,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.55 : 11,571.14 = 2,518.75 : x
  2. Step 2: Convert to fraction form
    7,713.55/11,571.14 = 2,518.75/x
  3. Step 3: Cross multiply
    7,713.55x = 11,571.14 × 2,518.75
  4. Step 4: Simplify right side
    7,713.55x = 29,144,808.88
  5. Step 5: Solve for x
    x = 29,144,808.88/7,713.55
  6. Step 6: Final answer
    x = 3,778.39

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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.