Home / 7,424.42-11,136.62-2,159.75

Finding the Fourth Proportional to 7,424.42, 11,136.62 and 2,159.75

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Solution

The fourth proportional to 7,424.42, 11,136.62 and 2,159.75 is: 3,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.42 : 11,136.62 = 2,159.75 : x
  2. Step 2: Convert to fraction form
    7,424.42/11,136.62 = 2,159.75/x
  3. Step 3: Cross multiply
    7,424.42x = 11,136.62 × 2,159.75
  4. Step 4: Simplify right side
    7,424.42x = 24,052,248.56
  5. Step 5: Solve for x
    x = 24,052,248.56/7,424.42
  6. Step 6: Final answer
    x = 3,239.62

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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.