Home / 9,749.86-13,454.82-5,273.64

Finding the Fourth Proportional to 9,749.86, 13,454.82 and 5,273.64

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Solution

The fourth proportional to 9,749.86, 13,454.82 and 5,273.64 is: 7,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.86 : 13,454.82 = 5,273.64 : x
  2. Step 2: Convert to fraction form
    9,749.86/13,454.82 = 5,273.64/x
  3. Step 3: Cross multiply
    9,749.86x = 13,454.82 × 5,273.64
  4. Step 4: Simplify right side
    9,749.86x = 70,955,876.94
  5. Step 5: Solve for x
    x = 70,955,876.94/9,749.86
  6. Step 6: Final answer
    x = 7,277.63

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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.