Home / 5,809.49-8,720.37-3,619.73

Finding the Fourth Proportional to 5,809.49, 8,720.37 and 3,619.73

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Solution

The fourth proportional to 5,809.49, 8,720.37 and 3,619.73 is: 5,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.49 : 8,720.37 = 3,619.73 : x
  2. Step 2: Convert to fraction form
    5,809.49/8,720.37 = 3,619.73/x
  3. Step 3: Cross multiply
    5,809.49x = 8,720.37 × 3,619.73
  4. Step 4: Simplify right side
    5,809.49x = 31,565,341.30
  5. Step 5: Solve for x
    x = 31,565,341.30/5,809.49
  6. Step 6: Final answer
    x = 5,433.41

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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.