Home / 6,636.85-9,158.43-3,804.19

Finding the Fourth Proportional to 6,636.85, 9,158.43 and 3,804.19

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Solution

The fourth proportional to 6,636.85, 9,158.43 and 3,804.19 is: 5,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.85 : 9,158.43 = 3,804.19 : x
  2. Step 2: Convert to fraction form
    6,636.85/9,158.43 = 3,804.19/x
  3. Step 3: Cross multiply
    6,636.85x = 9,158.43 × 3,804.19
  4. Step 4: Simplify right side
    6,636.85x = 34,840,407.82
  5. Step 5: Solve for x
    x = 34,840,407.82/6,636.85
  6. Step 6: Final answer
    x = 5,249.54

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Half scale
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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.