Home / 8,110.74-12,167.37-3,430.76

Finding the Fourth Proportional to 8,110.74, 12,167.37 and 3,430.76

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Solution

The fourth proportional to 8,110.74, 12,167.37 and 3,430.76 is: 5,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.74 : 12,167.37 = 3,430.76 : x
  2. Step 2: Convert to fraction form
    8,110.74/12,167.37 = 3,430.76/x
  3. Step 3: Cross multiply
    8,110.74x = 12,167.37 × 3,430.76
  4. Step 4: Simplify right side
    8,110.74x = 41,743,326.30
  5. Step 5: Solve for x
    x = 41,743,326.30/8,110.74
  6. Step 6: Final answer
    x = 5,146.67

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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.