Home / 4,138.06-6,207.70-1,540.40

Finding the Fourth Proportional to 4,138.06, 6,207.70 and 1,540.40

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Solution

The fourth proportional to 4,138.06, 6,207.70 and 1,540.40 is: 2,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.06 : 6,207.70 = 1,540.40 : x
  2. Step 2: Convert to fraction form
    4,138.06/6,207.70 = 1,540.40/x
  3. Step 3: Cross multiply
    4,138.06x = 6,207.70 × 1,540.40
  4. Step 4: Simplify right side
    4,138.06x = 9,562,341.08
  5. Step 5: Solve for x
    x = 9,562,341.08/4,138.06
  6. Step 6: Final answer
    x = 2,310.83

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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.