Home / 9,198.16-13,790.86-4,818.69

Finding the Fourth Proportional to 9,198.16, 13,790.86 and 4,818.69

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Solution

The fourth proportional to 9,198.16, 13,790.86 and 4,818.69 is: 7,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.16 : 13,790.86 = 4,818.69 : x
  2. Step 2: Convert to fraction form
    9,198.16/13,790.86 = 4,818.69/x
  3. Step 3: Cross multiply
    9,198.16x = 13,790.86 × 4,818.69
  4. Step 4: Simplify right side
    9,198.16x = 66,453,867.13
  5. Step 5: Solve for x
    x = 66,453,867.13/9,198.16
  6. Step 6: Final answer
    x = 7,224.69

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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.