Home / 9,749.64-13,454.49-5,273.42

Finding the Fourth Proportional to 9,749.64, 13,454.49 and 5,273.42

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Solution

The fourth proportional to 9,749.64, 13,454.49 and 5,273.42 is: 7,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.64 : 13,454.49 = 5,273.42 : x
  2. Step 2: Convert to fraction form
    9,749.64/13,454.49 = 5,273.42/x
  3. Step 3: Cross multiply
    9,749.64x = 13,454.49 × 5,273.42
  4. Step 4: Simplify right side
    9,749.64x = 70,951,109.38
  5. Step 5: Solve for x
    x = 70,951,109.38/9,749.64
  6. Step 6: Final answer
    x = 7,277.31

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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.