Home / 8,788.40-13,174.12-2,941.76

Finding the Fourth Proportional to 8,788.40, 13,174.12 and 2,941.76

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Solution

The fourth proportional to 8,788.40, 13,174.12 and 2,941.76 is: 4,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.40 : 13,174.12 = 2,941.76 : x
  2. Step 2: Convert to fraction form
    8,788.40/13,174.12 = 2,941.76/x
  3. Step 3: Cross multiply
    8,788.40x = 13,174.12 × 2,941.76
  4. Step 4: Simplify right side
    8,788.40x = 38,755,099.25
  5. Step 5: Solve for x
    x = 38,755,099.25/8,788.40
  6. Step 6: Final answer
    x = 4,409.80

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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.