Home / 4,145.70-6,220.48-1,682.22

Finding the Fourth Proportional to 4,145.70, 6,220.48 and 1,682.22

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Solution

The fourth proportional to 4,145.70, 6,220.48 and 1,682.22 is: 2,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.70 : 6,220.48 = 1,682.22 : x
  2. Step 2: Convert to fraction form
    4,145.70/6,220.48 = 1,682.22/x
  3. Step 3: Cross multiply
    4,145.70x = 6,220.48 × 1,682.22
  4. Step 4: Simplify right side
    4,145.70x = 10,464,215.87
  5. Step 5: Solve for x
    x = 10,464,215.87/4,145.70
  6. Step 6: Final answer
    x = 2,524.11

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Half scale
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Double scale
Find fourth proportional to 4,146.70, 6,221.98 and 1,683.22
Similar ratio
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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.