Home / 4,138.48-6,207.89-1,945.67

Finding the Fourth Proportional to 4,138.48, 6,207.89 and 1,945.67

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Solution

The fourth proportional to 4,138.48, 6,207.89 and 1,945.67 is: 2,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.48 : 6,207.89 = 1,945.67 : x
  2. Step 2: Convert to fraction form
    4,138.48/6,207.89 = 1,945.67/x
  3. Step 3: Cross multiply
    4,138.48x = 6,207.89 × 1,945.67
  4. Step 4: Simplify right side
    4,138.48x = 12,078,511.13
  5. Step 5: Solve for x
    x = 12,078,511.13/4,138.48
  6. Step 6: Final answer
    x = 2,918.59

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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.