Home / 8,161.43-11,259.54-5,327.90

Finding the Fourth Proportional to 8,161.43, 11,259.54 and 5,327.90

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Solution

The fourth proportional to 8,161.43, 11,259.54 and 5,327.90 is: 7,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.43 : 11,259.54 = 5,327.90 : x
  2. Step 2: Convert to fraction form
    8,161.43/11,259.54 = 5,327.90/x
  3. Step 3: Cross multiply
    8,161.43x = 11,259.54 × 5,327.90
  4. Step 4: Simplify right side
    8,161.43x = 59,989,720.76
  5. Step 5: Solve for x
    x = 59,989,720.76/8,161.43
  6. Step 6: Final answer
    x = 7,350.39

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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.