Home / 8,810.92-13,217.60-2,969.20

Finding the Fourth Proportional to 8,810.92, 13,217.60 and 2,969.20

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Solution

The fourth proportional to 8,810.92, 13,217.60 and 2,969.20 is: 4,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.92 : 13,217.60 = 2,969.20 : x
  2. Step 2: Convert to fraction form
    8,810.92/13,217.60 = 2,969.20/x
  3. Step 3: Cross multiply
    8,810.92x = 13,217.60 × 2,969.20
  4. Step 4: Simplify right side
    8,810.92x = 39,245,697.92
  5. Step 5: Solve for x
    x = 39,245,697.92/8,810.92
  6. Step 6: Final answer
    x = 4,454.21

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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.