Home / 7,789.04-11,683.56-1,945.64

Finding the Fourth Proportional to 7,789.04, 11,683.56 and 1,945.64

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Solution

The fourth proportional to 7,789.04, 11,683.56 and 1,945.64 is: 2,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.04 : 11,683.56 = 1,945.64 : x
  2. Step 2: Convert to fraction form
    7,789.04/11,683.56 = 1,945.64/x
  3. Step 3: Cross multiply
    7,789.04x = 11,683.56 × 1,945.64
  4. Step 4: Simplify right side
    7,789.04x = 22,732,001.68
  5. Step 5: Solve for x
    x = 22,732,001.68/7,789.04
  6. Step 6: Final answer
    x = 2,918.46

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Double scale
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Similar ratio
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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.