Home / 3,764.21-5,639.62-3,210.77

Finding the Fourth Proportional to 3,764.21, 5,639.62 and 3,210.77

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Solution

The fourth proportional to 3,764.21, 5,639.62 and 3,210.77 is: 4,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.21 : 5,639.62 = 3,210.77 : x
  2. Step 2: Convert to fraction form
    3,764.21/5,639.62 = 3,210.77/x
  3. Step 3: Cross multiply
    3,764.21x = 5,639.62 × 3,210.77
  4. Step 4: Simplify right side
    3,764.21x = 18,107,522.71
  5. Step 5: Solve for x
    x = 18,107,522.71/3,764.21
  6. Step 6: Final answer
    x = 4,810.44

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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.