Home / 6,401.85-8,834.90-3,749.46

Finding the Fourth Proportional to 6,401.85, 8,834.90 and 3,749.46

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Solution

The fourth proportional to 6,401.85, 8,834.90 and 3,749.46 is: 5,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.85 : 8,834.90 = 3,749.46 : x
  2. Step 2: Convert to fraction form
    6,401.85/8,834.90 = 3,749.46/x
  3. Step 3: Cross multiply
    6,401.85x = 8,834.90 × 3,749.46
  4. Step 4: Simplify right side
    6,401.85x = 33,126,085.41
  5. Step 5: Solve for x
    x = 33,126,085.41/6,401.85
  6. Step 6: Final answer
    x = 5,174.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.