Home / 5,459.22-8,191.50-2,539.56

Finding the Fourth Proportional to 5,459.22, 8,191.50 and 2,539.56

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Solution

The fourth proportional to 5,459.22, 8,191.50 and 2,539.56 is: 3,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.22 : 8,191.50 = 2,539.56 : x
  2. Step 2: Convert to fraction form
    5,459.22/8,191.50 = 2,539.56/x
  3. Step 3: Cross multiply
    5,459.22x = 8,191.50 × 2,539.56
  4. Step 4: Simplify right side
    5,459.22x = 20,802,805.74
  5. Step 5: Solve for x
    x = 20,802,805.74/5,459.22
  6. Step 6: Final answer
    x = 3,810.58

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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.