Home / 5,539.12-7,643.09-3,300.19

Finding the Fourth Proportional to 5,539.12, 7,643.09 and 3,300.19

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Solution

The fourth proportional to 5,539.12, 7,643.09 and 3,300.19 is: 4,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.12 : 7,643.09 = 3,300.19 : x
  2. Step 2: Convert to fraction form
    5,539.12/7,643.09 = 3,300.19/x
  3. Step 3: Cross multiply
    5,539.12x = 7,643.09 × 3,300.19
  4. Step 4: Simplify right side
    5,539.12x = 25,223,638.33
  5. Step 5: Solve for x
    x = 25,223,638.33/5,539.12
  6. Step 6: Final answer
    x = 4,553.73

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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.