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Finding the Fourth Proportional to 8,820.26, 13,230.40 and 2,664.26

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Solution

The fourth proportional to 8,820.26, 13,230.40 and 2,664.26 is: 3,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.26 : 13,230.40 = 2,664.26 : x
  2. Step 2: Convert to fraction form
    8,820.26/13,230.40 = 2,664.26/x
  3. Step 3: Cross multiply
    8,820.26x = 13,230.40 × 2,664.26
  4. Step 4: Simplify right side
    8,820.26x = 35,249,225.50
  5. Step 5: Solve for x
    x = 35,249,225.50/8,820.26
  6. Step 6: Final answer
    x = 3,996.39

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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.