Home / 6,355.15-8,770.46-3,998.05

Finding the Fourth Proportional to 6,355.15, 8,770.46 and 3,998.05

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Solution

The fourth proportional to 6,355.15, 8,770.46 and 3,998.05 is: 5,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.15 : 8,770.46 = 3,998.05 : x
  2. Step 2: Convert to fraction form
    6,355.15/8,770.46 = 3,998.05/x
  3. Step 3: Cross multiply
    6,355.15x = 8,770.46 × 3,998.05
  4. Step 4: Simplify right side
    6,355.15x = 35,064,695.69
  5. Step 5: Solve for x
    x = 35,064,695.69/6,355.15
  6. Step 6: Final answer
    x = 5,517.53

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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.