Home / 4,855.60-7,283.44-1,392.96

Finding the Fourth Proportional to 4,855.60, 7,283.44 and 1,392.96

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Solution

The fourth proportional to 4,855.60, 7,283.44 and 1,392.96 is: 2,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.60 : 7,283.44 = 1,392.96 : x
  2. Step 2: Convert to fraction form
    4,855.60/7,283.44 = 1,392.96/x
  3. Step 3: Cross multiply
    4,855.60x = 7,283.44 × 1,392.96
  4. Step 4: Simplify right side
    4,855.60x = 10,145,540.58
  5. Step 5: Solve for x
    x = 10,145,540.58/4,855.60
  6. Step 6: Final answer
    x = 2,089.45

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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.