Home / 8,857.41-13,289.18-3,930.50

Finding the Fourth Proportional to 8,857.41, 13,289.18 and 3,930.50

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Solution

The fourth proportional to 8,857.41, 13,289.18 and 3,930.50 is: 5,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.41 : 13,289.18 = 3,930.50 : x
  2. Step 2: Convert to fraction form
    8,857.41/13,289.18 = 3,930.50/x
  3. Step 3: Cross multiply
    8,857.41x = 13,289.18 × 3,930.50
  4. Step 4: Simplify right side
    8,857.41x = 52,233,121.99
  5. Step 5: Solve for x
    x = 52,233,121.99/8,857.41
  6. Step 6: Final answer
    x = 5,897.11

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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.