Home / 6,636.24-9,155.69-4,117.43

Finding the Fourth Proportional to 6,636.24, 9,155.69 and 4,117.43

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Solution

The fourth proportional to 6,636.24, 9,155.69 and 4,117.43 is: 5,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.24 : 9,155.69 = 4,117.43 : x
  2. Step 2: Convert to fraction form
    6,636.24/9,155.69 = 4,117.43/x
  3. Step 3: Cross multiply
    6,636.24x = 9,155.69 × 4,117.43
  4. Step 4: Simplify right side
    6,636.24x = 37,697,912.68
  5. Step 5: Solve for x
    x = 37,697,912.68/6,636.24
  6. Step 6: Final answer
    x = 5,680.61

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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.