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Finding the Fourth Proportional to 8,756.26, 13,126.92 and 3,822.21

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Solution

The fourth proportional to 8,756.26, 13,126.92 and 3,822.21 is: 5,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.26 : 13,126.92 = 3,822.21 : x
  2. Step 2: Convert to fraction form
    8,756.26/13,126.92 = 3,822.21/x
  3. Step 3: Cross multiply
    8,756.26x = 13,126.92 × 3,822.21
  4. Step 4: Simplify right side
    8,756.26x = 50,173,844.89
  5. Step 5: Solve for x
    x = 50,173,844.89/8,756.26
  6. Step 6: Final answer
    x = 5,730.05

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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.