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Finding the Fourth Proportional to 4,999.03, 7,499.60 and 1,879.06

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Solution

The fourth proportional to 4,999.03, 7,499.60 and 1,879.06 is: 2,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.03 : 7,499.60 = 1,879.06 : x
  2. Step 2: Convert to fraction form
    4,999.03/7,499.60 = 1,879.06/x
  3. Step 3: Cross multiply
    4,999.03x = 7,499.60 × 1,879.06
  4. Step 4: Simplify right side
    4,999.03x = 14,092,188.98
  5. Step 5: Solve for x
    x = 14,092,188.98/4,999.03
  6. Step 6: Final answer
    x = 2,818.99

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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.