Home / 7,304.94-10,080.81-3,947.76

Finding the Fourth Proportional to 7,304.94, 10,080.81 and 3,947.76

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Solution

The fourth proportional to 7,304.94, 10,080.81 and 3,947.76 is: 5,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.94 : 10,080.81 = 3,947.76 : x
  2. Step 2: Convert to fraction form
    7,304.94/10,080.81 = 3,947.76/x
  3. Step 3: Cross multiply
    7,304.94x = 10,080.81 × 3,947.76
  4. Step 4: Simplify right side
    7,304.94x = 39,796,568.08
  5. Step 5: Solve for x
    x = 39,796,568.08/7,304.94
  6. Step 6: Final answer
    x = 5,447.90

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1.5x scale

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.