Home / 5,346.97-7,378.61-2,956.79

Finding the Fourth Proportional to 5,346.97, 7,378.61 and 2,956.79

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Solution

The fourth proportional to 5,346.97, 7,378.61 and 2,956.79 is: 4,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.97 : 7,378.61 = 2,956.79 : x
  2. Step 2: Convert to fraction form
    5,346.97/7,378.61 = 2,956.79/x
  3. Step 3: Cross multiply
    5,346.97x = 7,378.61 × 2,956.79
  4. Step 4: Simplify right side
    5,346.97x = 21,816,983.72
  5. Step 5: Solve for x
    x = 21,816,983.72/5,346.97
  6. Step 6: Final answer
    x = 4,080.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.