Home / 6,276.39-8,658.83-3,621.92

Finding the Fourth Proportional to 6,276.39, 8,658.83 and 3,621.92

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Solution

The fourth proportional to 6,276.39, 8,658.83 and 3,621.92 is: 4,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.39 : 8,658.83 = 3,621.92 : x
  2. Step 2: Convert to fraction form
    6,276.39/8,658.83 = 3,621.92/x
  3. Step 3: Cross multiply
    6,276.39x = 8,658.83 × 3,621.92
  4. Step 4: Simplify right side
    6,276.39x = 31,361,528.15
  5. Step 5: Solve for x
    x = 31,361,528.15/6,276.39
  6. Step 6: Final answer
    x = 4,996.75

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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.