Home / 5,769.23-8,654.56-2,258.78

Finding the Fourth Proportional to 5,769.23, 8,654.56 and 2,258.78

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Solution

The fourth proportional to 5,769.23, 8,654.56 and 2,258.78 is: 3,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.23 : 8,654.56 = 2,258.78 : x
  2. Step 2: Convert to fraction form
    5,769.23/8,654.56 = 2,258.78/x
  3. Step 3: Cross multiply
    5,769.23x = 8,654.56 × 2,258.78
  4. Step 4: Simplify right side
    5,769.23x = 19,548,747.04
  5. Step 5: Solve for x
    x = 19,548,747.04/5,769.23
  6. Step 6: Final answer
    x = 3,388.45

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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.