Home / 5,575.60-8,360.70-3,107.80

Finding the Fourth Proportional to 5,575.60, 8,360.70 and 3,107.80

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Solution

The fourth proportional to 5,575.60, 8,360.70 and 3,107.80 is: 4,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.60 : 8,360.70 = 3,107.80 : x
  2. Step 2: Convert to fraction form
    5,575.60/8,360.70 = 3,107.80/x
  3. Step 3: Cross multiply
    5,575.60x = 8,360.70 × 3,107.80
  4. Step 4: Simplify right side
    5,575.60x = 25,983,383.46
  5. Step 5: Solve for x
    x = 25,983,383.46/5,575.60
  6. Step 6: Final answer
    x = 4,660.20

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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.