Home / 9,761.40-14,649.66-3,922.92

Finding the Fourth Proportional to 9,761.40, 14,649.66 and 3,922.92

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Solution

The fourth proportional to 9,761.40, 14,649.66 and 3,922.92 is: 5,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.40 : 14,649.66 = 3,922.92 : x
  2. Step 2: Convert to fraction form
    9,761.40/14,649.66 = 3,922.92/x
  3. Step 3: Cross multiply
    9,761.40x = 14,649.66 × 3,922.92
  4. Step 4: Simplify right side
    9,761.40x = 57,469,444.21
  5. Step 5: Solve for x
    x = 57,469,444.21/9,761.40
  6. Step 6: Final answer
    x = 5,887.42

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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.