Home / 8,713.09-13,072.20-3,166.30

Finding the Fourth Proportional to 8,713.09, 13,072.20 and 3,166.30

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Solution

The fourth proportional to 8,713.09, 13,072.20 and 3,166.30 is: 4,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.09 : 13,072.20 = 3,166.30 : x
  2. Step 2: Convert to fraction form
    8,713.09/13,072.20 = 3,166.30/x
  3. Step 3: Cross multiply
    8,713.09x = 13,072.20 × 3,166.30
  4. Step 4: Simplify right side
    8,713.09x = 41,390,506.86
  5. Step 5: Solve for x
    x = 41,390,506.86/8,713.09
  6. Step 6: Final answer
    x = 4,750.38

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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.