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Finding the Fourth Proportional to 4,999.53, 7,500.35 and 1,879.56

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Solution

The fourth proportional to 4,999.53, 7,500.35 and 1,879.56 is: 2,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.53 : 7,500.35 = 1,879.56 : x
  2. Step 2: Convert to fraction form
    4,999.53/7,500.35 = 1,879.56/x
  3. Step 3: Cross multiply
    4,999.53x = 7,500.35 × 1,879.56
  4. Step 4: Simplify right side
    4,999.53x = 14,097,357.85
  5. Step 5: Solve for x
    x = 14,097,357.85/4,999.53
  6. Step 6: Final answer
    x = 2,819.74

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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.