Home / 5,589.38-8,383.80-1,640.47

Finding the Fourth Proportional to 5,589.38, 8,383.80 and 1,640.47

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Solution

The fourth proportional to 5,589.38, 8,383.80 and 1,640.47 is: 2,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.38 : 8,383.80 = 1,640.47 : x
  2. Step 2: Convert to fraction form
    5,589.38/8,383.80 = 1,640.47/x
  3. Step 3: Cross multiply
    5,589.38x = 8,383.80 × 1,640.47
  4. Step 4: Simplify right side
    5,589.38x = 13,753,372.39
  5. Step 5: Solve for x
    x = 13,753,372.39/5,589.38
  6. Step 6: Final answer
    x = 2,460.63

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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.