Home / 7,739.27-10,676.31-5,218.19

Finding the Fourth Proportional to 7,739.27, 10,676.31 and 5,218.19

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Solution

The fourth proportional to 7,739.27, 10,676.31 and 5,218.19 is: 7,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.27 : 10,676.31 = 5,218.19 : x
  2. Step 2: Convert to fraction form
    7,739.27/10,676.31 = 5,218.19/x
  3. Step 3: Cross multiply
    7,739.27x = 10,676.31 × 5,218.19
  4. Step 4: Simplify right side
    7,739.27x = 55,711,014.08
  5. Step 5: Solve for x
    x = 55,711,014.08/7,739.27
  6. Step 6: Final answer
    x = 7,198.48

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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.