Home / 4,201.60-6,302.40-3,845.20

Finding the Fourth Proportional to 4,201.60, 6,302.40 and 3,845.20

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Solution

The fourth proportional to 4,201.60, 6,302.40 and 3,845.20 is: 5,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.60 : 6,302.40 = 3,845.20 : x
  2. Step 2: Convert to fraction form
    4,201.60/6,302.40 = 3,845.20/x
  3. Step 3: Cross multiply
    4,201.60x = 6,302.40 × 3,845.20
  4. Step 4: Simplify right side
    4,201.60x = 24,233,988.48
  5. Step 5: Solve for x
    x = 24,233,988.48/4,201.60
  6. Step 6: Final answer
    x = 5,767.80

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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.