Home / 4,951.85-7,427.51-1,664.60

Finding the Fourth Proportional to 4,951.85, 7,427.51 and 1,664.60

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Solution

The fourth proportional to 4,951.85, 7,427.51 and 1,664.60 is: 2,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.85 : 7,427.51 = 1,664.60 : x
  2. Step 2: Convert to fraction form
    4,951.85/7,427.51 = 1,664.60/x
  3. Step 3: Cross multiply
    4,951.85x = 7,427.51 × 1,664.60
  4. Step 4: Simplify right side
    4,951.85x = 12,363,824.82
  5. Step 5: Solve for x
    x = 12,363,824.82/4,951.85
  6. Step 6: Final answer
    x = 2,496.81

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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.