Home / 8,828.85-13,243.25-2,985.38

Finding the Fourth Proportional to 8,828.85, 13,243.25 and 2,985.38

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Solution

The fourth proportional to 8,828.85, 13,243.25 and 2,985.38 is: 4,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.85 : 13,243.25 = 2,985.38 : x
  2. Step 2: Convert to fraction form
    8,828.85/13,243.25 = 2,985.38/x
  3. Step 3: Cross multiply
    8,828.85x = 13,243.25 × 2,985.38
  4. Step 4: Simplify right side
    8,828.85x = 39,536,052.54
  5. Step 5: Solve for x
    x = 39,536,052.54/8,828.85
  6. Step 6: Final answer
    x = 4,478.05

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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.