Home / 4,219.15-6,328.73-1,297.43

Finding the Fourth Proportional to 4,219.15, 6,328.73 and 1,297.43

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Solution

The fourth proportional to 4,219.15, 6,328.73 and 1,297.43 is: 1,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.15 : 6,328.73 = 1,297.43 : x
  2. Step 2: Convert to fraction form
    4,219.15/6,328.73 = 1,297.43/x
  3. Step 3: Cross multiply
    4,219.15x = 6,328.73 × 1,297.43
  4. Step 4: Simplify right side
    4,219.15x = 8,211,084.16
  5. Step 5: Solve for x
    x = 8,211,084.16/4,219.15
  6. Step 6: Final answer
    x = 1,946.15

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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.