Home / 6,635.40-9,157.08-3,651.36

Finding the Fourth Proportional to 6,635.40, 9,157.08 and 3,651.36

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Solution

The fourth proportional to 6,635.40, 9,157.08 and 3,651.36 is: 5,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.40 : 9,157.08 = 3,651.36 : x
  2. Step 2: Convert to fraction form
    6,635.40/9,157.08 = 3,651.36/x
  3. Step 3: Cross multiply
    6,635.40x = 9,157.08 × 3,651.36
  4. Step 4: Simplify right side
    6,635.40x = 33,435,795.63
  5. Step 5: Solve for x
    x = 33,435,795.63/6,635.40
  6. Step 6: Final answer
    x = 5,039.00

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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.