Home / 4,927.12-7,392.16-3,172.88

Finding the Fourth Proportional to 4,927.12, 7,392.16 and 3,172.88

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Solution

The fourth proportional to 4,927.12, 7,392.16 and 3,172.88 is: 4,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.12 : 7,392.16 = 3,172.88 : x
  2. Step 2: Convert to fraction form
    4,927.12/7,392.16 = 3,172.88/x
  3. Step 3: Cross multiply
    4,927.12x = 7,392.16 × 3,172.88
  4. Step 4: Simplify right side
    4,927.12x = 23,454,436.62
  5. Step 5: Solve for x
    x = 23,454,436.62/4,927.12
  6. Step 6: Final answer
    x = 4,760.27

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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.