Home / 4,722.80-7,079.52-2,644.56

Finding the Fourth Proportional to 4,722.80, 7,079.52 and 2,644.56

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Solution

The fourth proportional to 4,722.80, 7,079.52 and 2,644.56 is: 3,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.80 : 7,079.52 = 2,644.56 : x
  2. Step 2: Convert to fraction form
    4,722.80/7,079.52 = 2,644.56/x
  3. Step 3: Cross multiply
    4,722.80x = 7,079.52 × 2,644.56
  4. Step 4: Simplify right side
    4,722.80x = 18,722,215.41
  5. Step 5: Solve for x
    x = 18,722,215.41/4,722.80
  6. Step 6: Final answer
    x = 3,964.22

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1.5x scale

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.