Home / 4,311.09-6,466.77-2,578.50

Finding the Fourth Proportional to 4,311.09, 6,466.77 and 2,578.50

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Solution

The fourth proportional to 4,311.09, 6,466.77 and 2,578.50 is: 3,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.09 : 6,466.77 = 2,578.50 : x
  2. Step 2: Convert to fraction form
    4,311.09/6,466.77 = 2,578.50/x
  3. Step 3: Cross multiply
    4,311.09x = 6,466.77 × 2,578.50
  4. Step 4: Simplify right side
    4,311.09x = 16,674,566.45
  5. Step 5: Solve for x
    x = 16,674,566.45/4,311.09
  6. Step 6: Final answer
    x = 3,867.83

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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.