Home / 7,789.04-11,683.50-1,945.62

Finding the Fourth Proportional to 7,789.04, 11,683.50 and 1,945.62

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Solution

The fourth proportional to 7,789.04, 11,683.50 and 1,945.62 is: 2,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.04 : 11,683.50 = 1,945.62 : x
  2. Step 2: Convert to fraction form
    7,789.04/11,683.50 = 1,945.62/x
  3. Step 3: Cross multiply
    7,789.04x = 11,683.50 × 1,945.62
  4. Step 4: Simplify right side
    7,789.04x = 22,731,651.27
  5. Step 5: Solve for x
    x = 22,731,651.27/7,789.04
  6. Step 6: Final answer
    x = 2,918.42

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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.