Home / 4,855.60-7,283.40-3,608.20

Finding the Fourth Proportional to 4,855.60, 7,283.40 and 3,608.20

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Solution

The fourth proportional to 4,855.60, 7,283.40 and 3,608.20 is: 5,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.60 : 7,283.40 = 3,608.20 : x
  2. Step 2: Convert to fraction form
    4,855.60/7,283.40 = 3,608.20/x
  3. Step 3: Cross multiply
    4,855.60x = 7,283.40 × 3,608.20
  4. Step 4: Simplify right side
    4,855.60x = 26,279,963.88
  5. Step 5: Solve for x
    x = 26,279,963.88/4,855.60
  6. Step 6: Final answer
    x = 5,412.30

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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.