Home / 6,338.22-8,742.58-3,818.62

Finding the Fourth Proportional to 6,338.22, 8,742.58 and 3,818.62

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Solution

The fourth proportional to 6,338.22, 8,742.58 and 3,818.62 is: 5,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.22 : 8,742.58 = 3,818.62 : x
  2. Step 2: Convert to fraction form
    6,338.22/8,742.58 = 3,818.62/x
  3. Step 3: Cross multiply
    6,338.22x = 8,742.58 × 3,818.62
  4. Step 4: Simplify right side
    6,338.22x = 33,384,590.84
  5. Step 5: Solve for x
    x = 33,384,590.84/6,338.22
  6. Step 6: Final answer
    x = 5,267.19

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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.