Home / 4,392.88-6,589.27-1,105.90

Finding the Fourth Proportional to 4,392.88, 6,589.27 and 1,105.90

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Solution

The fourth proportional to 4,392.88, 6,589.27 and 1,105.90 is: 1,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.88 : 6,589.27 = 1,105.90 : x
  2. Step 2: Convert to fraction form
    4,392.88/6,589.27 = 1,105.90/x
  3. Step 3: Cross multiply
    4,392.88x = 6,589.27 × 1,105.90
  4. Step 4: Simplify right side
    4,392.88x = 7,287,073.69
  5. Step 5: Solve for x
    x = 7,287,073.69/4,392.88
  6. Step 6: Final answer
    x = 1,658.84

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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.