Home / 4,887.98-7,334.94-2,115.38

Finding the Fourth Proportional to 4,887.98, 7,334.94 and 2,115.38

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Solution

The fourth proportional to 4,887.98, 7,334.94 and 2,115.38 is: 3,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.98 : 7,334.94 = 2,115.38 : x
  2. Step 2: Convert to fraction form
    4,887.98/7,334.94 = 2,115.38/x
  3. Step 3: Cross multiply
    4,887.98x = 7,334.94 × 2,115.38
  4. Step 4: Simplify right side
    4,887.98x = 15,516,185.38
  5. Step 5: Solve for x
    x = 15,516,185.38/4,887.98
  6. Step 6: Final answer
    x = 3,174.36

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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.