Home / 4,359.75-6,540.89-1,281.75

Finding the Fourth Proportional to 4,359.75, 6,540.89 and 1,281.75

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Solution

The fourth proportional to 4,359.75, 6,540.89 and 1,281.75 is: 1,923.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359.75 : 6,540.89 = 1,281.75 : x
  2. Step 2: Convert to fraction form
    4,359.75/6,540.89 = 1,281.75/x
  3. Step 3: Cross multiply
    4,359.75x = 6,540.89 × 1,281.75
  4. Step 4: Simplify right side
    4,359.75x = 8,383,779.35
  5. Step 5: Solve for x
    x = 8,383,779.35/4,359.75
  6. Step 6: Final answer
    x = 1,923.00

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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.