Home / 4,636.31-6,399.34-2,647.55

Finding the Fourth Proportional to 4,636.31, 6,399.34 and 2,647.55

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Solution

The fourth proportional to 4,636.31, 6,399.34 and 2,647.55 is: 3,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.31 : 6,399.34 = 2,647.55 : x
  2. Step 2: Convert to fraction form
    4,636.31/6,399.34 = 2,647.55/x
  3. Step 3: Cross multiply
    4,636.31x = 6,399.34 × 2,647.55
  4. Step 4: Simplify right side
    4,636.31x = 16,942,582.00
  5. Step 5: Solve for x
    x = 16,942,582.00/4,636.31
  6. Step 6: Final answer
    x = 3,654.33

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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.