Home / 4,137.32-6,206.85-1,215.38

Finding the Fourth Proportional to 4,137.32, 6,206.85 and 1,215.38

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Solution

The fourth proportional to 4,137.32, 6,206.85 and 1,215.38 is: 1,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.32 : 6,206.85 = 1,215.38 : x
  2. Step 2: Convert to fraction form
    4,137.32/6,206.85 = 1,215.38/x
  3. Step 3: Cross multiply
    4,137.32x = 6,206.85 × 1,215.38
  4. Step 4: Simplify right side
    4,137.32x = 7,543,681.35
  5. Step 5: Solve for x
    x = 7,543,681.35/4,137.32
  6. Step 6: Final answer
    x = 1,823.33

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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.