Home / 4,243.72-6,365.10-1,778.92

Finding the Fourth Proportional to 4,243.72, 6,365.10 and 1,778.92

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Solution

The fourth proportional to 4,243.72, 6,365.10 and 1,778.92 is: 2,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.72 : 6,365.10 = 1,778.92 : x
  2. Step 2: Convert to fraction form
    4,243.72/6,365.10 = 1,778.92/x
  3. Step 3: Cross multiply
    4,243.72x = 6,365.10 × 1,778.92
  4. Step 4: Simplify right side
    4,243.72x = 11,323,003.69
  5. Step 5: Solve for x
    x = 11,323,003.69/4,243.72
  6. Step 6: Final answer
    x = 2,668.18

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1.5x scale

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.