Home / 8,520.05-12,782.09-2,676.66

Finding the Fourth Proportional to 8,520.05, 12,782.09 and 2,676.66

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Solution

The fourth proportional to 8,520.05, 12,782.09 and 2,676.66 is: 4,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.05 : 12,782.09 = 2,676.66 : x
  2. Step 2: Convert to fraction form
    8,520.05/12,782.09 = 2,676.66/x
  3. Step 3: Cross multiply
    8,520.05x = 12,782.09 × 2,676.66
  4. Step 4: Simplify right side
    8,520.05x = 34,213,309.02
  5. Step 5: Solve for x
    x = 34,213,309.02/8,520.05
  6. Step 6: Final answer
    x = 4,015.63

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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.