Home / 4,245.45-6,366.12-1,779.60

Finding the Fourth Proportional to 4,245.45, 6,366.12 and 1,779.60

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Solution

The fourth proportional to 4,245.45, 6,366.12 and 1,779.60 is: 2,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.45 : 6,366.12 = 1,779.60 : x
  2. Step 2: Convert to fraction form
    4,245.45/6,366.12 = 1,779.60/x
  3. Step 3: Cross multiply
    4,245.45x = 6,366.12 × 1,779.60
  4. Step 4: Simplify right side
    4,245.45x = 11,329,171.02
  5. Step 5: Solve for x
    x = 11,329,171.02/4,245.45
  6. Step 6: Final answer
    x = 2,668.55

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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.