Home / 6,923.39-9,554.15-3,779.60

Finding the Fourth Proportional to 6,923.39, 9,554.15 and 3,779.60

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Solution

The fourth proportional to 6,923.39, 9,554.15 and 3,779.60 is: 5,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.39 : 9,554.15 = 3,779.60 : x
  2. Step 2: Convert to fraction form
    6,923.39/9,554.15 = 3,779.60/x
  3. Step 3: Cross multiply
    6,923.39x = 9,554.15 × 3,779.60
  4. Step 4: Simplify right side
    6,923.39x = 36,110,846.44
  5. Step 5: Solve for x
    x = 36,110,846.44/6,923.39
  6. Step 6: Final answer
    x = 5,215.78

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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.