Home / 6,636.44-9,161.16-4,282.40

Finding the Fourth Proportional to 6,636.44, 9,161.16 and 4,282.40

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Solution

The fourth proportional to 6,636.44, 9,161.16 and 4,282.40 is: 5,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.44 : 9,161.16 = 4,282.40 : x
  2. Step 2: Convert to fraction form
    6,636.44/9,161.16 = 4,282.40/x
  3. Step 3: Cross multiply
    6,636.44x = 9,161.16 × 4,282.40
  4. Step 4: Simplify right side
    6,636.44x = 39,231,751.58
  5. Step 5: Solve for x
    x = 39,231,751.58/6,636.44
  6. Step 6: Final answer
    x = 5,911.57

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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.