Home / 4,255.92-6,389.28-4,080.96

Finding the Fourth Proportional to 4,255.92, 6,389.28 and 4,080.96

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Solution

The fourth proportional to 4,255.92, 6,389.28 and 4,080.96 is: 6,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.92 : 6,389.28 = 4,080.96 : x
  2. Step 2: Convert to fraction form
    4,255.92/6,389.28 = 4,080.96/x
  3. Step 3: Cross multiply
    4,255.92x = 6,389.28 × 4,080.96
  4. Step 4: Simplify right side
    4,255.92x = 26,074,396.11
  5. Step 5: Solve for x
    x = 26,074,396.11/4,255.92
  6. Step 6: Final answer
    x = 6,126.62

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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.