Home / 8,782.90-13,166.67-4,101.94

Finding the Fourth Proportional to 8,782.90, 13,166.67 and 4,101.94

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Solution

The fourth proportional to 8,782.90, 13,166.67 and 4,101.94 is: 6,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.90 : 13,166.67 = 4,101.94 : x
  2. Step 2: Convert to fraction form
    8,782.90/13,166.67 = 4,101.94/x
  3. Step 3: Cross multiply
    8,782.90x = 13,166.67 × 4,101.94
  4. Step 4: Simplify right side
    8,782.90x = 54,008,890.34
  5. Step 5: Solve for x
    x = 54,008,890.34/8,782.90
  6. Step 6: Final answer
    x = 6,149.32

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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.