Home / 4,951.83-7,427.75-1,664.80

Finding the Fourth Proportional to 4,951.83, 7,427.75 and 1,664.80

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Solution

The fourth proportional to 4,951.83, 7,427.75 and 1,664.80 is: 2,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.83 : 7,427.75 = 1,664.80 : x
  2. Step 2: Convert to fraction form
    4,951.83/7,427.75 = 1,664.80/x
  3. Step 3: Cross multiply
    4,951.83x = 7,427.75 × 1,664.80
  4. Step 4: Simplify right side
    4,951.83x = 12,365,742.45
  5. Step 5: Solve for x
    x = 12,365,742.45/4,951.83
  6. Step 6: Final answer
    x = 2,497.20

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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.