Home / 7,935.40-11,887.98-4,928.68

Finding the Fourth Proportional to 7,935.40, 11,887.98 and 4,928.68

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Solution

The fourth proportional to 7,935.40, 11,887.98 and 4,928.68 is: 7,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.40 : 11,887.98 = 4,928.68 : x
  2. Step 2: Convert to fraction form
    7,935.40/11,887.98 = 4,928.68/x
  3. Step 3: Cross multiply
    7,935.40x = 11,887.98 × 4,928.68
  4. Step 4: Simplify right side
    7,935.40x = 58,592,049.27
  5. Step 5: Solve for x
    x = 58,592,049.27/7,935.40
  6. Step 6: Final answer
    x = 7,383.63

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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.