Home / 7,741.12-11,612.30-4,642.27

Finding the Fourth Proportional to 7,741.12, 11,612.30 and 4,642.27

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Solution

The fourth proportional to 7,741.12, 11,612.30 and 4,642.27 is: 6,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.12 : 11,612.30 = 4,642.27 : x
  2. Step 2: Convert to fraction form
    7,741.12/11,612.30 = 4,642.27/x
  3. Step 3: Cross multiply
    7,741.12x = 11,612.30 × 4,642.27
  4. Step 4: Simplify right side
    7,741.12x = 53,907,431.92
  5. Step 5: Solve for x
    x = 53,907,431.92/7,741.12
  6. Step 6: Final answer
    x = 6,963.78

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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.