Home / 7,621.67-11,414.27-4,839.64

Finding the Fourth Proportional to 7,621.67, 11,414.27 and 4,839.64

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Solution

The fourth proportional to 7,621.67, 11,414.27 and 4,839.64 is: 7,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.67 : 11,414.27 = 4,839.64 : x
  2. Step 2: Convert to fraction form
    7,621.67/11,414.27 = 4,839.64/x
  3. Step 3: Cross multiply
    7,621.67x = 11,414.27 × 4,839.64
  4. Step 4: Simplify right side
    7,621.67x = 55,240,941.23
  5. Step 5: Solve for x
    x = 55,240,941.23/7,621.67
  6. Step 6: Final answer
    x = 7,247.88

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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.