Home / 4,485.80-6,729.53-1,366.08

Finding the Fourth Proportional to 4,485.80, 6,729.53 and 1,366.08

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Solution

The fourth proportional to 4,485.80, 6,729.53 and 1,366.08 is: 2,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.80 : 6,729.53 = 1,366.08 : x
  2. Step 2: Convert to fraction form
    4,485.80/6,729.53 = 1,366.08/x
  3. Step 3: Cross multiply
    4,485.80x = 6,729.53 × 1,366.08
  4. Step 4: Simplify right side
    4,485.80x = 9,193,069.51
  5. Step 5: Solve for x
    x = 9,193,069.51/4,485.80
  6. Step 6: Final answer
    x = 2,049.37

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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.