Home / 6,133.60-9,200.40-4,481.20

Finding the Fourth Proportional to 6,133.60, 9,200.40 and 4,481.20

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Solution

The fourth proportional to 6,133.60, 9,200.40 and 4,481.20 is: 6,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,133.60 : 9,200.40 = 4,481.20 : x
  2. Step 2: Convert to fraction form
    6,133.60/9,200.40 = 4,481.20/x
  3. Step 3: Cross multiply
    6,133.60x = 9,200.40 × 4,481.20
  4. Step 4: Simplify right side
    6,133.60x = 41,228,832.48
  5. Step 5: Solve for x
    x = 41,228,832.48/6,133.60
  6. Step 6: Final answer
    x = 6,721.80

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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.