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Finding the Fourth Proportional to 6,326.89, 9,489.49 and 1,884.47

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Solution

The fourth proportional to 6,326.89, 9,489.49 and 1,884.47 is: 2,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.89 : 9,489.49 = 1,884.47 : x
  2. Step 2: Convert to fraction form
    6,326.89/9,489.49 = 1,884.47/x
  3. Step 3: Cross multiply
    6,326.89x = 9,489.49 × 1,884.47
  4. Step 4: Simplify right side
    6,326.89x = 17,882,659.22
  5. Step 5: Solve for x
    x = 17,882,659.22/6,326.89
  6. Step 6: Final answer
    x = 2,826.45

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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.