Home / 4,308.05-6,465.32-2,918.09

Finding the Fourth Proportional to 4,308.05, 6,465.32 and 2,918.09

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Solution

The fourth proportional to 4,308.05, 6,465.32 and 2,918.09 is: 4,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.05 : 6,465.32 = 2,918.09 : x
  2. Step 2: Convert to fraction form
    4,308.05/6,465.32 = 2,918.09/x
  3. Step 3: Cross multiply
    4,308.05x = 6,465.32 × 2,918.09
  4. Step 4: Simplify right side
    4,308.05x = 18,866,385.64
  5. Step 5: Solve for x
    x = 18,866,385.64/4,308.05
  6. Step 6: Final answer
    x = 4,379.33

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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.