Home / 7,421.62-11,136.99-3,039.10

Finding the Fourth Proportional to 7,421.62, 11,136.99 and 3,039.10

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Solution

The fourth proportional to 7,421.62, 11,136.99 and 3,039.10 is: 4,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.62 : 11,136.99 = 3,039.10 : x
  2. Step 2: Convert to fraction form
    7,421.62/11,136.99 = 3,039.10/x
  3. Step 3: Cross multiply
    7,421.62x = 11,136.99 × 3,039.10
  4. Step 4: Simplify right side
    7,421.62x = 33,846,426.31
  5. Step 5: Solve for x
    x = 33,846,426.31/7,421.62
  6. Step 6: Final answer
    x = 4,560.52

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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.