Home / 8,676.36-13,015.22-2,436.88

Finding the Fourth Proportional to 8,676.36, 13,015.22 and 2,436.88

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Solution

The fourth proportional to 8,676.36, 13,015.22 and 2,436.88 is: 3,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.36 : 13,015.22 = 2,436.88 : x
  2. Step 2: Convert to fraction form
    8,676.36/13,015.22 = 2,436.88/x
  3. Step 3: Cross multiply
    8,676.36x = 13,015.22 × 2,436.88
  4. Step 4: Simplify right side
    8,676.36x = 31,716,482.67
  5. Step 5: Solve for x
    x = 31,716,482.67/8,676.36
  6. Step 6: Final answer
    x = 3,655.51

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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.