Home / 7,589.40-11,385.26-3,205.83

Finding the Fourth Proportional to 7,589.40, 11,385.26 and 3,205.83

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Solution

The fourth proportional to 7,589.40, 11,385.26 and 3,205.83 is: 4,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.40 : 11,385.26 = 3,205.83 : x
  2. Step 2: Convert to fraction form
    7,589.40/11,385.26 = 3,205.83/x
  3. Step 3: Cross multiply
    7,589.40x = 11,385.26 × 3,205.83
  4. Step 4: Simplify right side
    7,589.40x = 36,499,182.71
  5. Step 5: Solve for x
    x = 36,499,182.71/7,589.40
  6. Step 6: Final answer
    x = 4,809.23

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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.