Home / 4,069.80-6,099.30-3,605.40

Finding the Fourth Proportional to 4,069.80, 6,099.30 and 3,605.40

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Solution

The fourth proportional to 4,069.80, 6,099.30 and 3,605.40 is: 5,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.80 : 6,099.30 = 3,605.40 : x
  2. Step 2: Convert to fraction form
    4,069.80/6,099.30 = 3,605.40/x
  3. Step 3: Cross multiply
    4,069.80x = 6,099.30 × 3,605.40
  4. Step 4: Simplify right side
    4,069.80x = 21,990,416.22
  5. Step 5: Solve for x
    x = 21,990,416.22/4,069.80
  6. Step 6: Final answer
    x = 5,403.32

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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.