Home / 8,755.43-13,134.49-2,910.67

Finding the Fourth Proportional to 8,755.43, 13,134.49 and 2,910.67

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Solution

The fourth proportional to 8,755.43, 13,134.49 and 2,910.67 is: 4,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.43 : 13,134.49 = 2,910.67 : x
  2. Step 2: Convert to fraction form
    8,755.43/13,134.49 = 2,910.67/x
  3. Step 3: Cross multiply
    8,755.43x = 13,134.49 × 2,910.67
  4. Step 4: Simplify right side
    8,755.43x = 38,230,125.90
  5. Step 5: Solve for x
    x = 38,230,125.90/8,755.43
  6. Step 6: Final answer
    x = 4,366.45

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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.