Home / 8,555.89-12,830.24-3,625.33

Finding the Fourth Proportional to 8,555.89, 12,830.24 and 3,625.33

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Solution

The fourth proportional to 8,555.89, 12,830.24 and 3,625.33 is: 5,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.89 : 12,830.24 = 3,625.33 : x
  2. Step 2: Convert to fraction form
    8,555.89/12,830.24 = 3,625.33/x
  3. Step 3: Cross multiply
    8,555.89x = 12,830.24 × 3,625.33
  4. Step 4: Simplify right side
    8,555.89x = 46,513,835.85
  5. Step 5: Solve for x
    x = 46,513,835.85/8,555.89
  6. Step 6: Final answer
    x = 5,436.47

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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.