Home / 4,445.15-6,667.18-2,779.43

Finding the Fourth Proportional to 4,445.15, 6,667.18 and 2,779.43

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Solution

The fourth proportional to 4,445.15, 6,667.18 and 2,779.43 is: 4,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.15 : 6,667.18 = 2,779.43 : x
  2. Step 2: Convert to fraction form
    4,445.15/6,667.18 = 2,779.43/x
  3. Step 3: Cross multiply
    4,445.15x = 6,667.18 × 2,779.43
  4. Step 4: Simplify right side
    4,445.15x = 18,530,930.25
  5. Step 5: Solve for x
    x = 18,530,930.25/4,445.15
  6. Step 6: Final answer
    x = 4,168.80

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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.