Home / 7,725.90-11,578.42-5,636.10

Finding the Fourth Proportional to 7,725.90, 11,578.42 and 5,636.10

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Solution

The fourth proportional to 7,725.90, 11,578.42 and 5,636.10 is: 8,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.90 : 11,578.42 = 5,636.10 : x
  2. Step 2: Convert to fraction form
    7,725.90/11,578.42 = 5,636.10/x
  3. Step 3: Cross multiply
    7,725.90x = 11,578.42 × 5,636.10
  4. Step 4: Simplify right side
    7,725.90x = 65,257,118.87
  5. Step 5: Solve for x
    x = 65,257,118.87/7,725.90
  6. Step 6: Final answer
    x = 8,446.54

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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.