Home / 8,625.24-11,907.69-5,644.14

Finding the Fourth Proportional to 8,625.24, 11,907.69 and 5,644.14

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Solution

The fourth proportional to 8,625.24, 11,907.69 and 5,644.14 is: 7,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.24 : 11,907.69 = 5,644.14 : x
  2. Step 2: Convert to fraction form
    8,625.24/11,907.69 = 5,644.14/x
  3. Step 3: Cross multiply
    8,625.24x = 11,907.69 × 5,644.14
  4. Step 4: Simplify right side
    8,625.24x = 67,208,669.44
  5. Step 5: Solve for x
    x = 67,208,669.44/8,625.24
  6. Step 6: Final answer
    x = 7,792.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.