Home / 7,731.39-10,669.31-4,194.60

Finding the Fourth Proportional to 7,731.39, 10,669.31 and 4,194.60

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Solution

The fourth proportional to 7,731.39, 10,669.31 and 4,194.60 is: 5,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.39 : 10,669.31 = 4,194.60 : x
  2. Step 2: Convert to fraction form
    7,731.39/10,669.31 = 4,194.60/x
  3. Step 3: Cross multiply
    7,731.39x = 10,669.31 × 4,194.60
  4. Step 4: Simplify right side
    7,731.39x = 44,753,478.12
  5. Step 5: Solve for x
    x = 44,753,478.12/7,731.39
  6. Step 6: Final answer
    x = 5,788.54

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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.