Home / 4,610.60-6,905.10-3,141.80

Finding the Fourth Proportional to 4,610.60, 6,905.10 and 3,141.80

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Solution

The fourth proportional to 4,610.60, 6,905.10 and 3,141.80 is: 4,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.60 : 6,905.10 = 3,141.80 : x
  2. Step 2: Convert to fraction form
    4,610.60/6,905.10 = 3,141.80/x
  3. Step 3: Cross multiply
    4,610.60x = 6,905.10 × 3,141.80
  4. Step 4: Simplify right side
    4,610.60x = 21,694,443.18
  5. Step 5: Solve for x
    x = 21,694,443.18/4,610.60
  6. Step 6: Final answer
    x = 4,705.34

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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.