Home / 4,749.89-7,124.17-1,629.85

Finding the Fourth Proportional to 4,749.89, 7,124.17 and 1,629.85

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Solution

The fourth proportional to 4,749.89, 7,124.17 and 1,629.85 is: 2,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.89 : 7,124.17 = 1,629.85 : x
  2. Step 2: Convert to fraction form
    4,749.89/7,124.17 = 1,629.85/x
  3. Step 3: Cross multiply
    4,749.89x = 7,124.17 × 1,629.85
  4. Step 4: Simplify right side
    4,749.89x = 11,611,284.70
  5. Step 5: Solve for x
    x = 11,611,284.70/4,749.89
  6. Step 6: Final answer
    x = 2,444.54

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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.