Home / 4,284.26-6,421.92-2,089.98

Finding the Fourth Proportional to 4,284.26, 6,421.92 and 2,089.98

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Solution

The fourth proportional to 4,284.26, 6,421.92 and 2,089.98 is: 3,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.26 : 6,421.92 = 2,089.98 : x
  2. Step 2: Convert to fraction form
    4,284.26/6,421.92 = 2,089.98/x
  3. Step 3: Cross multiply
    4,284.26x = 6,421.92 × 2,089.98
  4. Step 4: Simplify right side
    4,284.26x = 13,421,684.36
  5. Step 5: Solve for x
    x = 13,421,684.36/4,284.26
  6. Step 6: Final answer
    x = 3,132.79

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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.