Home / 8,918.51-13,377.90-2,677.19

Finding the Fourth Proportional to 8,918.51, 13,377.90 and 2,677.19

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Solution

The fourth proportional to 8,918.51, 13,377.90 and 2,677.19 is: 4,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.51 : 13,377.90 = 2,677.19 : x
  2. Step 2: Convert to fraction form
    8,918.51/13,377.90 = 2,677.19/x
  3. Step 3: Cross multiply
    8,918.51x = 13,377.90 × 2,677.19
  4. Step 4: Simplify right side
    8,918.51x = 35,815,180.10
  5. Step 5: Solve for x
    x = 35,815,180.10/8,918.51
  6. Step 6: Final answer
    x = 4,015.83

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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.