Home / 4,209.81-6,314.26-1,869.86

Finding the Fourth Proportional to 4,209.81, 6,314.26 and 1,869.86

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Solution

The fourth proportional to 4,209.81, 6,314.26 and 1,869.86 is: 2,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.81 : 6,314.26 = 1,869.86 : x
  2. Step 2: Convert to fraction form
    4,209.81/6,314.26 = 1,869.86/x
  3. Step 3: Cross multiply
    4,209.81x = 6,314.26 × 1,869.86
  4. Step 4: Simplify right side
    4,209.81x = 11,806,782.20
  5. Step 5: Solve for x
    x = 11,806,782.20/4,209.81
  6. Step 6: Final answer
    x = 2,804.59

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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.