Home / 8,654.72-11,944.40-5,299.56

Finding the Fourth Proportional to 8,654.72, 11,944.40 and 5,299.56

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Solution

The fourth proportional to 8,654.72, 11,944.40 and 5,299.56 is: 7,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.72 : 11,944.40 = 5,299.56 : x
  2. Step 2: Convert to fraction form
    8,654.72/11,944.40 = 5,299.56/x
  3. Step 3: Cross multiply
    8,654.72x = 11,944.40 × 5,299.56
  4. Step 4: Simplify right side
    8,654.72x = 63,300,037.97
  5. Step 5: Solve for x
    x = 63,300,037.97/8,654.72
  6. Step 6: Final answer
    x = 7,313.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.