Home / 4,137.38-6,207.09-1,215.67

Finding the Fourth Proportional to 4,137.38, 6,207.09 and 1,215.67

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Solution

The fourth proportional to 4,137.38, 6,207.09 and 1,215.67 is: 1,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.38 : 6,207.09 = 1,215.67 : x
  2. Step 2: Convert to fraction form
    4,137.38/6,207.09 = 1,215.67/x
  3. Step 3: Cross multiply
    4,137.38x = 6,207.09 × 1,215.67
  4. Step 4: Simplify right side
    4,137.38x = 7,545,773.10
  5. Step 5: Solve for x
    x = 7,545,773.10/4,137.38
  6. Step 6: Final answer
    x = 1,823.80

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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.