Home / 4,209.48-6,313.19-1,868.18

Finding the Fourth Proportional to 4,209.48, 6,313.19 and 1,868.18

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Solution

The fourth proportional to 4,209.48, 6,313.19 and 1,868.18 is: 2,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.48 : 6,313.19 = 1,868.18 : x
  2. Step 2: Convert to fraction form
    4,209.48/6,313.19 = 1,868.18/x
  3. Step 3: Cross multiply
    4,209.48x = 6,313.19 × 1,868.18
  4. Step 4: Simplify right side
    4,209.48x = 11,794,134.39
  5. Step 5: Solve for x
    x = 11,794,134.39/4,209.48
  6. Step 6: Final answer
    x = 2,801.80

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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.