Home / 6,435.45-9,646.59-3,656.19

Finding the Fourth Proportional to 6,435.45, 9,646.59 and 3,656.19

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Solution

The fourth proportional to 6,435.45, 9,646.59 and 3,656.19 is: 5,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.45 : 9,646.59 = 3,656.19 : x
  2. Step 2: Convert to fraction form
    6,435.45/9,646.59 = 3,656.19/x
  3. Step 3: Cross multiply
    6,435.45x = 9,646.59 × 3,656.19
  4. Step 4: Simplify right side
    6,435.45x = 35,269,765.89
  5. Step 5: Solve for x
    x = 35,269,765.89/6,435.45
  6. Step 6: Final answer
    x = 5,480.54

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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.