Home / 8,426.44-12,627.62-6,187.71

Finding the Fourth Proportional to 8,426.44, 12,627.62 and 6,187.71

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Solution

The fourth proportional to 8,426.44, 12,627.62 and 6,187.71 is: 9,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.44 : 12,627.62 = 6,187.71 : x
  2. Step 2: Convert to fraction form
    8,426.44/12,627.62 = 6,187.71/x
  3. Step 3: Cross multiply
    8,426.44x = 12,627.62 × 6,187.71
  4. Step 4: Simplify right side
    8,426.44x = 78,136,050.55
  5. Step 5: Solve for x
    x = 78,136,050.55/8,426.44
  6. Step 6: Final answer
    x = 9,272.72

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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.