Home / 6,101.50-8,416.96-3,859.60

Finding the Fourth Proportional to 6,101.50, 8,416.96 and 3,859.60

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Solution

The fourth proportional to 6,101.50, 8,416.96 and 3,859.60 is: 5,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.50 : 8,416.96 = 3,859.60 : x
  2. Step 2: Convert to fraction form
    6,101.50/8,416.96 = 3,859.60/x
  3. Step 3: Cross multiply
    6,101.50x = 8,416.96 × 3,859.60
  4. Step 4: Simplify right side
    6,101.50x = 32,486,098.82
  5. Step 5: Solve for x
    x = 32,486,098.82/6,101.50
  6. Step 6: Final answer
    x = 5,324.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.