Home / 7,428.60-11,136.33-3,725.55

Finding the Fourth Proportional to 7,428.60, 11,136.33 and 3,725.55

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Solution

The fourth proportional to 7,428.60, 11,136.33 and 3,725.55 is: 5,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.60 : 11,136.33 = 3,725.55 : x
  2. Step 2: Convert to fraction form
    7,428.60/11,136.33 = 3,725.55/x
  3. Step 3: Cross multiply
    7,428.60x = 11,136.33 × 3,725.55
  4. Step 4: Simplify right side
    7,428.60x = 41,488,954.23
  5. Step 5: Solve for x
    x = 41,488,954.23/7,428.60
  6. Step 6: Final answer
    x = 5,585.03

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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.