Home / 6,776.43-10,157.23-3,489.72

Finding the Fourth Proportional to 6,776.43, 10,157.23 and 3,489.72

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Solution

The fourth proportional to 6,776.43, 10,157.23 and 3,489.72 is: 5,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.43 : 10,157.23 = 3,489.72 : x
  2. Step 2: Convert to fraction form
    6,776.43/10,157.23 = 3,489.72/x
  3. Step 3: Cross multiply
    6,776.43x = 10,157.23 × 3,489.72
  4. Step 4: Simplify right side
    6,776.43x = 35,445,888.68
  5. Step 5: Solve for x
    x = 35,445,888.68/6,776.43
  6. Step 6: Final answer
    x = 5,230.76

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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.