Home / 6,436.90-9,671.55-4,097.96

Finding the Fourth Proportional to 6,436.90, 9,671.55 and 4,097.96

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Solution

The fourth proportional to 6,436.90, 9,671.55 and 4,097.96 is: 6,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.90 : 9,671.55 = 4,097.96 : x
  2. Step 2: Convert to fraction form
    6,436.90/9,671.55 = 4,097.96/x
  3. Step 3: Cross multiply
    6,436.90x = 9,671.55 × 4,097.96
  4. Step 4: Simplify right side
    6,436.90x = 39,633,556.19
  5. Step 5: Solve for x
    x = 39,633,556.19/6,436.90
  6. Step 6: Final answer
    x = 6,157.25

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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.