Home / 5,505.15-7,600.38-3,620.07

Finding the Fourth Proportional to 5,505.15, 7,600.38 and 3,620.07

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Solution

The fourth proportional to 5,505.15, 7,600.38 and 3,620.07 is: 4,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.15 : 7,600.38 = 3,620.07 : x
  2. Step 2: Convert to fraction form
    5,505.15/7,600.38 = 3,620.07/x
  3. Step 3: Cross multiply
    5,505.15x = 7,600.38 × 3,620.07
  4. Step 4: Simplify right side
    5,505.15x = 27,513,907.63
  5. Step 5: Solve for x
    x = 27,513,907.63/5,505.15
  6. Step 6: Final answer
    x = 4,997.85

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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.