Home / 7,744.21-10,687.23-4,207.64

Finding the Fourth Proportional to 7,744.21, 10,687.23 and 4,207.64

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Solution

The fourth proportional to 7,744.21, 10,687.23 and 4,207.64 is: 5,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.21 : 10,687.23 = 4,207.64 : x
  2. Step 2: Convert to fraction form
    7,744.21/10,687.23 = 4,207.64/x
  3. Step 3: Cross multiply
    7,744.21x = 10,687.23 × 4,207.64
  4. Step 4: Simplify right side
    7,744.21x = 44,968,016.44
  5. Step 5: Solve for x
    x = 44,968,016.44/7,744.21
  6. Step 6: Final answer
    x = 5,806.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.