Home / 7,539.36-11,310.24-2,609.76

Finding the Fourth Proportional to 7,539.36, 11,310.24 and 2,609.76

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Solution

The fourth proportional to 7,539.36, 11,310.24 and 2,609.76 is: 3,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.36 : 11,310.24 = 2,609.76 : x
  2. Step 2: Convert to fraction form
    7,539.36/11,310.24 = 2,609.76/x
  3. Step 3: Cross multiply
    7,539.36x = 11,310.24 × 2,609.76
  4. Step 4: Simplify right side
    7,539.36x = 29,517,011.94
  5. Step 5: Solve for x
    x = 29,517,011.94/7,539.36
  6. Step 6: Final answer
    x = 3,915.06

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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.