Home / 6,436.41-9,656.57-2,690.01

Finding the Fourth Proportional to 6,436.41, 9,656.57 and 2,690.01

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Solution

The fourth proportional to 6,436.41, 9,656.57 and 2,690.01 is: 4,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.41 : 9,656.57 = 2,690.01 : x
  2. Step 2: Convert to fraction form
    6,436.41/9,656.57 = 2,690.01/x
  3. Step 3: Cross multiply
    6,436.41x = 9,656.57 × 2,690.01
  4. Step 4: Simplify right side
    6,436.41x = 25,976,269.87
  5. Step 5: Solve for x
    x = 25,976,269.87/6,436.41
  6. Step 6: Final answer
    x = 4,035.83

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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.