Home / 7,980.96-11,966.04-2,784

Finding the Fourth Proportional to 7,980.96, 11,966.04 and 2,784

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Solution

The fourth proportional to 7,980.96, 11,966.04 and 2,784 is: 4,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.96 : 11,966.04 = 2,784 : x
  2. Step 2: Convert to fraction form
    7,980.96/11,966.04 = 2,784/x
  3. Step 3: Cross multiply
    7,980.96x = 11,966.04 × 2,784
  4. Step 4: Simplify right side
    7,980.96x = 33,313,455.36
  5. Step 5: Solve for x
    x = 33,313,455.36/7,980.96
  6. Step 6: Final answer
    x = 4,174.12

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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.