Home / 9,210.66-13,812.82-2,635.08

Finding the Fourth Proportional to 9,210.66, 13,812.82 and 2,635.08

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Solution

The fourth proportional to 9,210.66, 13,812.82 and 2,635.08 is: 3,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.66 : 13,812.82 = 2,635.08 : x
  2. Step 2: Convert to fraction form
    9,210.66/13,812.82 = 2,635.08/x
  3. Step 3: Cross multiply
    9,210.66x = 13,812.82 × 2,635.08
  4. Step 4: Simplify right side
    9,210.66x = 36,397,879.14
  5. Step 5: Solve for x
    x = 36,397,879.14/9,210.66
  6. Step 6: Final answer
    x = 3,951.71

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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.