Home / 4,223.60-6,335.40-3,777.20

Finding the Fourth Proportional to 4,223.60, 6,335.40 and 3,777.20

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Solution

The fourth proportional to 4,223.60, 6,335.40 and 3,777.20 is: 5,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.60 : 6,335.40 = 3,777.20 : x
  2. Step 2: Convert to fraction form
    4,223.60/6,335.40 = 3,777.20/x
  3. Step 3: Cross multiply
    4,223.60x = 6,335.40 × 3,777.20
  4. Step 4: Simplify right side
    4,223.60x = 23,930,072.88
  5. Step 5: Solve for x
    x = 23,930,072.88/4,223.60
  6. Step 6: Final answer
    x = 5,665.80

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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.