Home / 7,972.96-11,954.04-2,776

Finding the Fourth Proportional to 7,972.96, 11,954.04 and 2,776

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Solution

The fourth proportional to 7,972.96, 11,954.04 and 2,776 is: 4,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.96 : 11,954.04 = 2,776 : x
  2. Step 2: Convert to fraction form
    7,972.96/11,954.04 = 2,776/x
  3. Step 3: Cross multiply
    7,972.96x = 11,954.04 × 2,776
  4. Step 4: Simplify right side
    7,972.96x = 33,184,415.04
  5. Step 5: Solve for x
    x = 33,184,415.04/7,972.96
  6. Step 6: Final answer
    x = 4,162.12

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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.