Home / 4,145.70-6,215.05-1,682.25

Finding the Fourth Proportional to 4,145.70, 6,215.05 and 1,682.25

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Solution

The fourth proportional to 4,145.70, 6,215.05 and 1,682.25 is: 2,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.70 : 6,215.05 = 1,682.25 : x
  2. Step 2: Convert to fraction form
    4,145.70/6,215.05 = 1,682.25/x
  3. Step 3: Cross multiply
    4,145.70x = 6,215.05 × 1,682.25
  4. Step 4: Simplify right side
    4,145.70x = 10,455,273.24
  5. Step 5: Solve for x
    x = 10,455,273.24/4,145.70
  6. Step 6: Final answer
    x = 2,521.96

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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.