Home / 7,893.28-11,840.22-2,628.76

Finding the Fourth Proportional to 7,893.28, 11,840.22 and 2,628.76

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Solution

The fourth proportional to 7,893.28, 11,840.22 and 2,628.76 is: 3,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.28 : 11,840.22 = 2,628.76 : x
  2. Step 2: Convert to fraction form
    7,893.28/11,840.22 = 2,628.76/x
  3. Step 3: Cross multiply
    7,893.28x = 11,840.22 × 2,628.76
  4. Step 4: Simplify right side
    7,893.28x = 31,125,096.73
  5. Step 5: Solve for x
    x = 31,125,096.73/7,893.28
  6. Step 6: Final answer
    x = 3,943.24

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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.