Home / 6,121.99-8,448.31-3,604.07

Finding the Fourth Proportional to 6,121.99, 8,448.31 and 3,604.07

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Solution

The fourth proportional to 6,121.99, 8,448.31 and 3,604.07 is: 4,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.99 : 8,448.31 = 3,604.07 : x
  2. Step 2: Convert to fraction form
    6,121.99/8,448.31 = 3,604.07/x
  3. Step 3: Cross multiply
    6,121.99x = 8,448.31 × 3,604.07
  4. Step 4: Simplify right side
    6,121.99x = 30,448,300.62
  5. Step 5: Solve for x
    x = 30,448,300.62/6,121.99
  6. Step 6: Final answer
    x = 4,973.60

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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.