Home / 5,304.85-7,320.86-2,947.35

Finding the Fourth Proportional to 5,304.85, 7,320.86 and 2,947.35

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Solution

The fourth proportional to 5,304.85, 7,320.86 and 2,947.35 is: 4,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.85 : 7,320.86 = 2,947.35 : x
  2. Step 2: Convert to fraction form
    5,304.85/7,320.86 = 2,947.35/x
  3. Step 3: Cross multiply
    5,304.85x = 7,320.86 × 2,947.35
  4. Step 4: Simplify right side
    5,304.85x = 21,577,136.72
  5. Step 5: Solve for x
    x = 21,577,136.72/5,304.85
  6. Step 6: Final answer
    x = 4,067.44

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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.