Home / 7,935.81-11,905.32-2,388.93

Finding the Fourth Proportional to 7,935.81, 11,905.32 and 2,388.93

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Solution

The fourth proportional to 7,935.81, 11,905.32 and 2,388.93 is: 3,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.81 : 11,905.32 = 2,388.93 : x
  2. Step 2: Convert to fraction form
    7,935.81/11,905.32 = 2,388.93/x
  3. Step 3: Cross multiply
    7,935.81x = 11,905.32 × 2,388.93
  4. Step 4: Simplify right side
    7,935.81x = 28,440,976.11
  5. Step 5: Solve for x
    x = 28,440,976.11/7,935.81
  6. Step 6: Final answer
    x = 3,583.88

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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.