Home / 8,331.42-12,498.89-3,137.25

Finding the Fourth Proportional to 8,331.42, 12,498.89 and 3,137.25

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Solution

The fourth proportional to 8,331.42, 12,498.89 and 3,137.25 is: 4,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.42 : 12,498.89 = 3,137.25 : x
  2. Step 2: Convert to fraction form
    8,331.42/12,498.89 = 3,137.25/x
  3. Step 3: Cross multiply
    8,331.42x = 12,498.89 × 3,137.25
  4. Step 4: Simplify right side
    8,331.42x = 39,212,126.97
  5. Step 5: Solve for x
    x = 39,212,126.97/8,331.42
  6. Step 6: Final answer
    x = 4,706.54

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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.