Home / 6,779.58-10,162.32-3,619.44

Finding the Fourth Proportional to 6,779.58, 10,162.32 and 3,619.44

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Solution

The fourth proportional to 6,779.58, 10,162.32 and 3,619.44 is: 5,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.58 : 10,162.32 = 3,619.44 : x
  2. Step 2: Convert to fraction form
    6,779.58/10,162.32 = 3,619.44/x
  3. Step 3: Cross multiply
    6,779.58x = 10,162.32 × 3,619.44
  4. Step 4: Simplify right side
    6,779.58x = 36,781,907.50
  5. Step 5: Solve for x
    x = 36,781,907.50/6,779.58
  6. Step 6: Final answer
    x = 5,425.40

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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.