Home / 9,090.76-13,636.26-3,247.72

Finding the Fourth Proportional to 9,090.76, 13,636.26 and 3,247.72

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Solution

The fourth proportional to 9,090.76, 13,636.26 and 3,247.72 is: 4,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.76 : 13,636.26 = 3,247.72 : x
  2. Step 2: Convert to fraction form
    9,090.76/13,636.26 = 3,247.72/x
  3. Step 3: Cross multiply
    9,090.76x = 13,636.26 × 3,247.72
  4. Step 4: Simplify right side
    9,090.76x = 44,286,754.33
  5. Step 5: Solve for x
    x = 44,286,754.33/9,090.76
  6. Step 6: Final answer
    x = 4,871.62

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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.