Home / 7,935.60-11,905.07-3,005.13

Finding the Fourth Proportional to 7,935.60, 11,905.07 and 3,005.13

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Solution

The fourth proportional to 7,935.60, 11,905.07 and 3,005.13 is: 4,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.60 : 11,905.07 = 3,005.13 : x
  2. Step 2: Convert to fraction form
    7,935.60/11,905.07 = 3,005.13/x
  3. Step 3: Cross multiply
    7,935.60x = 11,905.07 × 3,005.13
  4. Step 4: Simplify right side
    7,935.60x = 35,776,267.98
  5. Step 5: Solve for x
    x = 35,776,267.98/7,935.60
  6. Step 6: Final answer
    x = 4,508.33

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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.