Home / 5,485.23-7,571.04-3,388.14

Finding the Fourth Proportional to 5,485.23, 7,571.04 and 3,388.14

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Solution

The fourth proportional to 5,485.23, 7,571.04 and 3,388.14 is: 4,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.23 : 7,571.04 = 3,388.14 : x
  2. Step 2: Convert to fraction form
    5,485.23/7,571.04 = 3,388.14/x
  3. Step 3: Cross multiply
    5,485.23x = 7,571.04 × 3,388.14
  4. Step 4: Simplify right side
    5,485.23x = 25,651,743.47
  5. Step 5: Solve for x
    x = 25,651,743.47/5,485.23
  6. Step 6: Final answer
    x = 4,676.51

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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.