Home / 8,515.52-12,763.55-3,584.24

Finding the Fourth Proportional to 8,515.52, 12,763.55 and 3,584.24

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Solution

The fourth proportional to 8,515.52, 12,763.55 and 3,584.24 is: 5,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.52 : 12,763.55 = 3,584.24 : x
  2. Step 2: Convert to fraction form
    8,515.52/12,763.55 = 3,584.24/x
  3. Step 3: Cross multiply
    8,515.52x = 12,763.55 × 3,584.24
  4. Step 4: Simplify right side
    8,515.52x = 45,747,571.59
  5. Step 5: Solve for x
    x = 45,747,571.59/8,515.52
  6. Step 6: Final answer
    x = 5,372.26

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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.