Home / 6,436.20-9,646.94-2,538.60

Finding the Fourth Proportional to 6,436.20, 9,646.94 and 2,538.60

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Solution

The fourth proportional to 6,436.20, 9,646.94 and 2,538.60 is: 3,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.20 : 9,646.94 = 2,538.60 : x
  2. Step 2: Convert to fraction form
    6,436.20/9,646.94 = 2,538.60/x
  3. Step 3: Cross multiply
    6,436.20x = 9,646.94 × 2,538.60
  4. Step 4: Simplify right side
    6,436.20x = 24,489,721.88
  5. Step 5: Solve for x
    x = 24,489,721.88/6,436.20
  6. Step 6: Final answer
    x = 3,805.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.