Home / 4,209.68-6,315.60-1,743.68

Finding the Fourth Proportional to 4,209.68, 6,315.60 and 1,743.68

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Solution

The fourth proportional to 4,209.68, 6,315.60 and 1,743.68 is: 2,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.68 : 6,315.60 = 1,743.68 : x
  2. Step 2: Convert to fraction form
    4,209.68/6,315.60 = 1,743.68/x
  3. Step 3: Cross multiply
    4,209.68x = 6,315.60 × 1,743.68
  4. Step 4: Simplify right side
    4,209.68x = 11,012,385.41
  5. Step 5: Solve for x
    x = 11,012,385.41/4,209.68
  6. Step 6: Final answer
    x = 2,615.97

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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.