Home / 4,485.30-6,189.66-2,622.30

Finding the Fourth Proportional to 4,485.30, 6,189.66 and 2,622.30

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Solution

The fourth proportional to 4,485.30, 6,189.66 and 2,622.30 is: 3,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.30 : 6,189.66 = 2,622.30 : x
  2. Step 2: Convert to fraction form
    4,485.30/6,189.66 = 2,622.30/x
  3. Step 3: Cross multiply
    4,485.30x = 6,189.66 × 2,622.30
  4. Step 4: Simplify right side
    4,485.30x = 16,231,145.42
  5. Step 5: Solve for x
    x = 16,231,145.42/4,485.30
  6. Step 6: Final answer
    x = 3,618.74

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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.