Home / 8,782.18-13,175.35-2,542.34

Finding the Fourth Proportional to 8,782.18, 13,175.35 and 2,542.34

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Solution

The fourth proportional to 8,782.18, 13,175.35 and 2,542.34 is: 3,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.18 : 13,175.35 = 2,542.34 : x
  2. Step 2: Convert to fraction form
    8,782.18/13,175.35 = 2,542.34/x
  3. Step 3: Cross multiply
    8,782.18x = 13,175.35 × 2,542.34
  4. Step 4: Simplify right side
    8,782.18x = 33,496,219.32
  5. Step 5: Solve for x
    x = 33,496,219.32/8,782.18
  6. Step 6: Final answer
    x = 3,814.11

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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.