Home / 5,100.40-7,650.60-3,350.80

Finding the Fourth Proportional to 5,100.40, 7,650.60 and 3,350.80

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Solution

The fourth proportional to 5,100.40, 7,650.60 and 3,350.80 is: 5,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.40 : 7,650.60 = 3,350.80 : x
  2. Step 2: Convert to fraction form
    5,100.40/7,650.60 = 3,350.80/x
  3. Step 3: Cross multiply
    5,100.40x = 7,650.60 × 3,350.80
  4. Step 4: Simplify right side
    5,100.40x = 25,635,630.48
  5. Step 5: Solve for x
    x = 25,635,630.48/5,100.40
  6. Step 6: Final answer
    x = 5,026.20

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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.