Home / 6,118.32-8,431.20-4,346.85

Finding the Fourth Proportional to 6,118.32, 8,431.20 and 4,346.85

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Solution

The fourth proportional to 6,118.32, 8,431.20 and 4,346.85 is: 5,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.32 : 8,431.20 = 4,346.85 : x
  2. Step 2: Convert to fraction form
    6,118.32/8,431.20 = 4,346.85/x
  3. Step 3: Cross multiply
    6,118.32x = 8,431.20 × 4,346.85
  4. Step 4: Simplify right side
    6,118.32x = 36,649,161.72
  5. Step 5: Solve for x
    x = 36,649,161.72/6,118.32
  6. Step 6: Final answer
    x = 5,990.07

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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.