Home / 4,209.19-6,313.80-1,868.65

Finding the Fourth Proportional to 4,209.19, 6,313.80 and 1,868.65

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Solution

The fourth proportional to 4,209.19, 6,313.80 and 1,868.65 is: 2,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.19 : 6,313.80 = 1,868.65 : x
  2. Step 2: Convert to fraction form
    4,209.19/6,313.80 = 1,868.65/x
  3. Step 3: Cross multiply
    4,209.19x = 6,313.80 × 1,868.65
  4. Step 4: Simplify right side
    4,209.19x = 11,798,282.37
  5. Step 5: Solve for x
    x = 11,798,282.37/4,209.19
  6. Step 6: Final answer
    x = 2,802.98

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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.