Home / 6,403.73-9,608.31-3,116.84

Finding the Fourth Proportional to 6,403.73, 9,608.31 and 3,116.84

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Solution

The fourth proportional to 6,403.73, 9,608.31 and 3,116.84 is: 4,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.73 : 9,608.31 = 3,116.84 : x
  2. Step 2: Convert to fraction form
    6,403.73/9,608.31 = 3,116.84/x
  3. Step 3: Cross multiply
    6,403.73x = 9,608.31 × 3,116.84
  4. Step 4: Simplify right side
    6,403.73x = 29,947,516.90
  5. Step 5: Solve for x
    x = 29,947,516.90/6,403.73
  6. Step 6: Final answer
    x = 4,676.58

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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.