Home / 6,156.45-8,493.79-3,503.20

Finding the Fourth Proportional to 6,156.45, 8,493.79 and 3,503.20

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Solution

The fourth proportional to 6,156.45, 8,493.79 and 3,503.20 is: 4,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.45 : 8,493.79 = 3,503.20 : x
  2. Step 2: Convert to fraction form
    6,156.45/8,493.79 = 3,503.20/x
  3. Step 3: Cross multiply
    6,156.45x = 8,493.79 × 3,503.20
  4. Step 4: Simplify right side
    6,156.45x = 29,755,402.66
  5. Step 5: Solve for x
    x = 29,755,402.66/6,156.45
  6. Step 6: Final answer
    x = 4,833.21

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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.