Home / 6,635.95-9,157.38-3,651.76

Finding the Fourth Proportional to 6,635.95, 9,157.38 and 3,651.76

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Solution

The fourth proportional to 6,635.95, 9,157.38 and 3,651.76 is: 5,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.95 : 9,157.38 = 3,651.76 : x
  2. Step 2: Convert to fraction form
    6,635.95/9,157.38 = 3,651.76/x
  3. Step 3: Cross multiply
    6,635.95x = 9,157.38 × 3,651.76
  4. Step 4: Simplify right side
    6,635.95x = 33,440,508.20
  5. Step 5: Solve for x
    x = 33,440,508.20/6,635.95
  6. Step 6: Final answer
    x = 5,039.29

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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.