Home / 6,634.20-9,155.92-3,982.28

Finding the Fourth Proportional to 6,634.20, 9,155.92 and 3,982.28

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Solution

The fourth proportional to 6,634.20, 9,155.92 and 3,982.28 is: 5,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.20 : 9,155.92 = 3,982.28 : x
  2. Step 2: Convert to fraction form
    6,634.20/9,155.92 = 3,982.28/x
  3. Step 3: Cross multiply
    6,634.20x = 9,155.92 × 3,982.28
  4. Step 4: Simplify right side
    6,634.20x = 36,461,437.10
  5. Step 5: Solve for x
    x = 36,461,437.10/6,634.20
  6. Step 6: Final answer
    x = 5,495.98

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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.