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Finding the Fourth Proportional to 9,641.75, 14,458.97 and 5,256.82

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Solution

The fourth proportional to 9,641.75, 14,458.97 and 5,256.82 is: 7,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641.75 : 14,458.97 = 5,256.82 : x
  2. Step 2: Convert to fraction form
    9,641.75/14,458.97 = 5,256.82/x
  3. Step 3: Cross multiply
    9,641.75x = 14,458.97 × 5,256.82
  4. Step 4: Simplify right side
    9,641.75x = 76,008,104.10
  5. Step 5: Solve for x
    x = 76,008,104.10/9,641.75
  6. Step 6: Final answer
    x = 7,883.23

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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.