Home / 6,378.22-8,800.58-3,724.42

Finding the Fourth Proportional to 6,378.22, 8,800.58 and 3,724.42

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Solution

The fourth proportional to 6,378.22, 8,800.58 and 3,724.42 is: 5,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.22 : 8,800.58 = 3,724.42 : x
  2. Step 2: Convert to fraction form
    6,378.22/8,800.58 = 3,724.42/x
  3. Step 3: Cross multiply
    6,378.22x = 8,800.58 × 3,724.42
  4. Step 4: Simplify right side
    6,378.22x = 32,777,056.16
  5. Step 5: Solve for x
    x = 32,777,056.16/6,378.22
  6. Step 6: Final answer
    x = 5,138.90

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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.