Home / 8,538.42-12,794.67-6,336.84

Finding the Fourth Proportional to 8,538.42, 12,794.67 and 6,336.84

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Solution

The fourth proportional to 8,538.42, 12,794.67 and 6,336.84 is: 9,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.42 : 12,794.67 = 6,336.84 : x
  2. Step 2: Convert to fraction form
    8,538.42/12,794.67 = 6,336.84/x
  3. Step 3: Cross multiply
    8,538.42x = 12,794.67 × 6,336.84
  4. Step 4: Simplify right side
    8,538.42x = 81,077,776.64
  5. Step 5: Solve for x
    x = 81,077,776.64/8,538.42
  6. Step 6: Final answer
    x = 9,495.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.