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Finding the Fourth Proportional to 6,246.92, 8,613.44 and 5,185.92

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Solution

The fourth proportional to 6,246.92, 8,613.44 and 5,185.92 is: 7,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.92 : 8,613.44 = 5,185.92 : x
  2. Step 2: Convert to fraction form
    6,246.92/8,613.44 = 5,185.92/x
  3. Step 3: Cross multiply
    6,246.92x = 8,613.44 × 5,185.92
  4. Step 4: Simplify right side
    6,246.92x = 44,668,636.58
  5. Step 5: Solve for x
    x = 44,668,636.58/6,246.92
  6. Step 6: Final answer
    x = 7,150.50

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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.