Home / 8,131.70-11,230.99-5,474.50

Finding the Fourth Proportional to 8,131.70, 11,230.99 and 5,474.50

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Solution

The fourth proportional to 8,131.70, 11,230.99 and 5,474.50 is: 7,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.70 : 11,230.99 = 5,474.50 : x
  2. Step 2: Convert to fraction form
    8,131.70/11,230.99 = 5,474.50/x
  3. Step 3: Cross multiply
    8,131.70x = 11,230.99 × 5,474.50
  4. Step 4: Simplify right side
    8,131.70x = 61,484,012.99
  5. Step 5: Solve for x
    x = 61,484,012.99/8,131.70
  6. Step 6: Final answer
    x = 7,561.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.