Home / 5,304.64-7,320.80-2,947.36

Finding the Fourth Proportional to 5,304.64, 7,320.80 and 2,947.36

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Solution

The fourth proportional to 5,304.64, 7,320.80 and 2,947.36 is: 4,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.64 : 7,320.80 = 2,947.36 : x
  2. Step 2: Convert to fraction form
    5,304.64/7,320.80 = 2,947.36/x
  3. Step 3: Cross multiply
    5,304.64x = 7,320.80 × 2,947.36
  4. Step 4: Simplify right side
    5,304.64x = 21,577,033.09
  5. Step 5: Solve for x
    x = 21,577,033.09/5,304.64
  6. Step 6: Final answer
    x = 4,067.58

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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.