Home / 6,436.39-9,655.35-2,275.54

Finding the Fourth Proportional to 6,436.39, 9,655.35 and 2,275.54

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Solution

The fourth proportional to 6,436.39, 9,655.35 and 2,275.54 is: 3,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.39 : 9,655.35 = 2,275.54 : x
  2. Step 2: Convert to fraction form
    6,436.39/9,655.35 = 2,275.54/x
  3. Step 3: Cross multiply
    6,436.39x = 9,655.35 × 2,275.54
  4. Step 4: Simplify right side
    6,436.39x = 21,971,135.14
  5. Step 5: Solve for x
    x = 21,971,135.14/6,436.39
  6. Step 6: Final answer
    x = 3,413.58

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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.