Home / 7,487.26-11,220.90-3,539.56

Finding the Fourth Proportional to 7,487.26, 11,220.90 and 3,539.56

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Solution

The fourth proportional to 7,487.26, 11,220.90 and 3,539.56 is: 5,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.26 : 11,220.90 = 3,539.56 : x
  2. Step 2: Convert to fraction form
    7,487.26/11,220.90 = 3,539.56/x
  3. Step 3: Cross multiply
    7,487.26x = 11,220.90 × 3,539.56
  4. Step 4: Simplify right side
    7,487.26x = 39,717,048.80
  5. Step 5: Solve for x
    x = 39,717,048.80/7,487.26
  6. Step 6: Final answer
    x = 5,304.62

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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.