Home / 8,302.26-12,453.38-3,857.50

Finding the Fourth Proportional to 8,302.26, 12,453.38 and 3,857.50

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Solution

The fourth proportional to 8,302.26, 12,453.38 and 3,857.50 is: 5,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.26 : 12,453.38 = 3,857.50 : x
  2. Step 2: Convert to fraction form
    8,302.26/12,453.38 = 3,857.50/x
  3. Step 3: Cross multiply
    8,302.26x = 12,453.38 × 3,857.50
  4. Step 4: Simplify right side
    8,302.26x = 48,038,913.35
  5. Step 5: Solve for x
    x = 48,038,913.35/8,302.26
  6. Step 6: Final answer
    x = 5,786.25

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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.