Home / 8,262.21-11,397.62-5,274.90

Finding the Fourth Proportional to 8,262.21, 11,397.62 and 5,274.90

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Solution

The fourth proportional to 8,262.21, 11,397.62 and 5,274.90 is: 7,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.21 : 11,397.62 = 5,274.90 : x
  2. Step 2: Convert to fraction form
    8,262.21/11,397.62 = 5,274.90/x
  3. Step 3: Cross multiply
    8,262.21x = 11,397.62 × 5,274.90
  4. Step 4: Simplify right side
    8,262.21x = 60,121,304.09
  5. Step 5: Solve for x
    x = 60,121,304.09/8,262.21
  6. Step 6: Final answer
    x = 7,276.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.