Home / 6,635.20-9,156.84-3,651.28

Finding the Fourth Proportional to 6,635.20, 9,156.84 and 3,651.28

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Solution

The fourth proportional to 6,635.20, 9,156.84 and 3,651.28 is: 5,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.20 : 9,156.84 = 3,651.28 : x
  2. Step 2: Convert to fraction form
    6,635.20/9,156.84 = 3,651.28/x
  3. Step 3: Cross multiply
    6,635.20x = 9,156.84 × 3,651.28
  4. Step 4: Simplify right side
    6,635.20x = 33,434,186.76
  5. Step 5: Solve for x
    x = 33,434,186.76/6,635.20
  6. Step 6: Final answer
    x = 5,038.91

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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.