Home / 7,884.29-11,828.60-4,136.31

Finding the Fourth Proportional to 7,884.29, 11,828.60 and 4,136.31

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Solution

The fourth proportional to 7,884.29, 11,828.60 and 4,136.31 is: 6,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.29 : 11,828.60 = 4,136.31 : x
  2. Step 2: Convert to fraction form
    7,884.29/11,828.60 = 4,136.31/x
  3. Step 3: Cross multiply
    7,884.29x = 11,828.60 × 4,136.31
  4. Step 4: Simplify right side
    7,884.29x = 48,926,735.78
  5. Step 5: Solve for x
    x = 48,926,735.78/7,884.29
  6. Step 6: Final answer
    x = 6,205.60

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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.