Home / 4,253.85-6,345.41-4,185.81

Finding the Fourth Proportional to 4,253.85, 6,345.41 and 4,185.81

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Solution

The fourth proportional to 4,253.85, 6,345.41 and 4,185.81 is: 6,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.85 : 6,345.41 = 4,185.81 : x
  2. Step 2: Convert to fraction form
    4,253.85/6,345.41 = 4,185.81/x
  3. Step 3: Cross multiply
    4,253.85x = 6,345.41 × 4,185.81
  4. Step 4: Simplify right side
    4,253.85x = 26,560,659.70
  5. Step 5: Solve for x
    x = 26,560,659.70/4,253.85
  6. Step 6: Final answer
    x = 6,243.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.