Home / 6,385.80-8,808.10-4,025.96

Finding the Fourth Proportional to 6,385.80, 8,808.10 and 4,025.96

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Solution

The fourth proportional to 6,385.80, 8,808.10 and 4,025.96 is: 5,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.80 : 8,808.10 = 4,025.96 : x
  2. Step 2: Convert to fraction form
    6,385.80/8,808.10 = 4,025.96/x
  3. Step 3: Cross multiply
    6,385.80x = 8,808.10 × 4,025.96
  4. Step 4: Simplify right side
    6,385.80x = 35,461,058.28
  5. Step 5: Solve for x
    x = 35,461,058.28/6,385.80
  6. Step 6: Final answer
    x = 5,553.11

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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.