Home / 6,984.38-10,478.37-2,054.18

Finding the Fourth Proportional to 6,984.38, 10,478.37 and 2,054.18

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Solution

The fourth proportional to 6,984.38, 10,478.37 and 2,054.18 is: 3,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.38 : 10,478.37 = 2,054.18 : x
  2. Step 2: Convert to fraction form
    6,984.38/10,478.37 = 2,054.18/x
  3. Step 3: Cross multiply
    6,984.38x = 10,478.37 × 2,054.18
  4. Step 4: Simplify right side
    6,984.38x = 21,524,458.09
  5. Step 5: Solve for x
    x = 21,524,458.09/6,984.38
  6. Step 6: Final answer
    x = 3,081.80

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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.