Home / 5,589.50-8,383.99-1,640.60

Finding the Fourth Proportional to 5,589.50, 8,383.99 and 1,640.60

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Solution

The fourth proportional to 5,589.50, 8,383.99 and 1,640.60 is: 2,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.50 : 8,383.99 = 1,640.60 : x
  2. Step 2: Convert to fraction form
    5,589.50/8,383.99 = 1,640.60/x
  3. Step 3: Cross multiply
    5,589.50x = 8,383.99 × 1,640.60
  4. Step 4: Simplify right side
    5,589.50x = 13,754,773.99
  5. Step 5: Solve for x
    x = 13,754,773.99/5,589.50
  6. Step 6: Final answer
    x = 2,460.82

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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.