Home / 7,629.58-11,449.50-2,699.20

Finding the Fourth Proportional to 7,629.58, 11,449.50 and 2,699.20

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Solution

The fourth proportional to 7,629.58, 11,449.50 and 2,699.20 is: 4,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.58 : 11,449.50 = 2,699.20 : x
  2. Step 2: Convert to fraction form
    7,629.58/11,449.50 = 2,699.20/x
  3. Step 3: Cross multiply
    7,629.58x = 11,449.50 × 2,699.20
  4. Step 4: Simplify right side
    7,629.58x = 30,904,490.40
  5. Step 5: Solve for x
    x = 30,904,490.40/7,629.58
  6. Step 6: Final answer
    x = 4,050.61

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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.