Home / 4,951.76-7,427.61-1,664.82

Finding the Fourth Proportional to 4,951.76, 7,427.61 and 1,664.82

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Solution

The fourth proportional to 4,951.76, 7,427.61 and 1,664.82 is: 2,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.76 : 7,427.61 = 1,664.82 : x
  2. Step 2: Convert to fraction form
    4,951.76/7,427.61 = 1,664.82/x
  3. Step 3: Cross multiply
    4,951.76x = 7,427.61 × 1,664.82
  4. Step 4: Simplify right side
    4,951.76x = 12,365,633.68
  5. Step 5: Solve for x
    x = 12,365,633.68/4,951.76
  6. Step 6: Final answer
    x = 2,497.22

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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.