Home / 7,849.05-11,777.67-3,170.22

Finding the Fourth Proportional to 7,849.05, 11,777.67 and 3,170.22

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Solution

The fourth proportional to 7,849.05, 11,777.67 and 3,170.22 is: 4,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.05 : 11,777.67 = 3,170.22 : x
  2. Step 2: Convert to fraction form
    7,849.05/11,777.67 = 3,170.22/x
  3. Step 3: Cross multiply
    7,849.05x = 11,777.67 × 3,170.22
  4. Step 4: Simplify right side
    7,849.05x = 37,337,804.99
  5. Step 5: Solve for x
    x = 37,337,804.99/7,849.05
  6. Step 6: Final answer
    x = 4,756.98

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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.