Home / 8,675.06-13,012.79-3,998.99

Finding the Fourth Proportional to 8,675.06, 13,012.79 and 3,998.99

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Solution

The fourth proportional to 8,675.06, 13,012.79 and 3,998.99 is: 5,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.06 : 13,012.79 = 3,998.99 : x
  2. Step 2: Convert to fraction form
    8,675.06/13,012.79 = 3,998.99/x
  3. Step 3: Cross multiply
    8,675.06x = 13,012.79 × 3,998.99
  4. Step 4: Simplify right side
    8,675.06x = 52,038,029.62
  5. Step 5: Solve for x
    x = 52,038,029.62/8,675.06
  6. Step 6: Final answer
    x = 5,998.58

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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.