Home / 4,436.80-6,645.12-3,556.24

Finding the Fourth Proportional to 4,436.80, 6,645.12 and 3,556.24

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Solution

The fourth proportional to 4,436.80, 6,645.12 and 3,556.24 is: 5,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436.80 : 6,645.12 = 3,556.24 : x
  2. Step 2: Convert to fraction form
    4,436.80/6,645.12 = 3,556.24/x
  3. Step 3: Cross multiply
    4,436.80x = 6,645.12 × 3,556.24
  4. Step 4: Simplify right side
    4,436.80x = 23,631,641.55
  5. Step 5: Solve for x
    x = 23,631,641.55/4,436.80
  6. Step 6: Final answer
    x = 5,326.28

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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.