Home / 7,539.89-11,307.20-2,608.20

Finding the Fourth Proportional to 7,539.89, 11,307.20 and 2,608.20

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Solution

The fourth proportional to 7,539.89, 11,307.20 and 2,608.20 is: 3,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.89 : 11,307.20 = 2,608.20 : x
  2. Step 2: Convert to fraction form
    7,539.89/11,307.20 = 2,608.20/x
  3. Step 3: Cross multiply
    7,539.89x = 11,307.20 × 2,608.20
  4. Step 4: Simplify right side
    7,539.89x = 29,491,426.00
  5. Step 5: Solve for x
    x = 29,491,426.00/7,539.89
  6. Step 6: Final answer
    x = 3,911.39

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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.