Home / 4,393.88-6,591.48-1,431.36

Finding the Fourth Proportional to 4,393.88, 6,591.48 and 1,431.36

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Solution

The fourth proportional to 4,393.88, 6,591.48 and 1,431.36 is: 2,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.88 : 6,591.48 = 1,431.36 : x
  2. Step 2: Convert to fraction form
    4,393.88/6,591.48 = 1,431.36/x
  3. Step 3: Cross multiply
    4,393.88x = 6,591.48 × 1,431.36
  4. Step 4: Simplify right side
    4,393.88x = 9,434,780.81
  5. Step 5: Solve for x
    x = 9,434,780.81/4,393.88
  6. Step 6: Final answer
    x = 2,147.26

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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.