Home / 7,612.44-11,420.40-3,230.06

Finding the Fourth Proportional to 7,612.44, 11,420.40 and 3,230.06

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Solution

The fourth proportional to 7,612.44, 11,420.40 and 3,230.06 is: 4,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.44 : 11,420.40 = 3,230.06 : x
  2. Step 2: Convert to fraction form
    7,612.44/11,420.40 = 3,230.06/x
  3. Step 3: Cross multiply
    7,612.44x = 11,420.40 × 3,230.06
  4. Step 4: Simplify right side
    7,612.44x = 36,888,577.22
  5. Step 5: Solve for x
    x = 36,888,577.22/7,612.44
  6. Step 6: Final answer
    x = 4,845.83

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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.