Home / 4,215.56-6,322.38-1,137.80

Finding the Fourth Proportional to 4,215.56, 6,322.38 and 1,137.80

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Solution

The fourth proportional to 4,215.56, 6,322.38 and 1,137.80 is: 1,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.56 : 6,322.38 = 1,137.80 : x
  2. Step 2: Convert to fraction form
    4,215.56/6,322.38 = 1,137.80/x
  3. Step 3: Cross multiply
    4,215.56x = 6,322.38 × 1,137.80
  4. Step 4: Simplify right side
    4,215.56x = 7,193,603.96
  5. Step 5: Solve for x
    x = 7,193,603.96/4,215.56
  6. Step 6: Final answer
    x = 1,706.44

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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.