Home / 8,779.38-13,166.33-2,934.62

Finding the Fourth Proportional to 8,779.38, 13,166.33 and 2,934.62

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Solution

The fourth proportional to 8,779.38, 13,166.33 and 2,934.62 is: 4,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.38 : 13,166.33 = 2,934.62 : x
  2. Step 2: Convert to fraction form
    8,779.38/13,166.33 = 2,934.62/x
  3. Step 3: Cross multiply
    8,779.38x = 13,166.33 × 2,934.62
  4. Step 4: Simplify right side
    8,779.38x = 38,638,215.60
  5. Step 5: Solve for x
    x = 38,638,215.60/8,779.38
  6. Step 6: Final answer
    x = 4,401.02

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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.