Home / 6,385.83-8,812.27-3,553.06

Finding the Fourth Proportional to 6,385.83, 8,812.27 and 3,553.06

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Solution

The fourth proportional to 6,385.83, 8,812.27 and 3,553.06 is: 4,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.83 : 8,812.27 = 3,553.06 : x
  2. Step 2: Convert to fraction form
    6,385.83/8,812.27 = 3,553.06/x
  3. Step 3: Cross multiply
    6,385.83x = 8,812.27 × 3,553.06
  4. Step 4: Simplify right side
    6,385.83x = 31,310,524.05
  5. Step 5: Solve for x
    x = 31,310,524.05/6,385.83
  6. Step 6: Final answer
    x = 4,903.13

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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.