Home / 5,605.37-8,403.95-1,906.60

Finding the Fourth Proportional to 5,605.37, 8,403.95 and 1,906.60

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Solution

The fourth proportional to 5,605.37, 8,403.95 and 1,906.60 is: 2,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.37 : 8,403.95 = 1,906.60 : x
  2. Step 2: Convert to fraction form
    5,605.37/8,403.95 = 1,906.60/x
  3. Step 3: Cross multiply
    5,605.37x = 8,403.95 × 1,906.60
  4. Step 4: Simplify right side
    5,605.37x = 16,022,987.31
  5. Step 5: Solve for x
    x = 16,022,987.31/5,605.37
  6. Step 6: Final answer
    x = 2,858.51

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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.