Home / 8,999.30-13,504.98-3,155.91

Finding the Fourth Proportional to 8,999.30, 13,504.98 and 3,155.91

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Solution

The fourth proportional to 8,999.30, 13,504.98 and 3,155.91 is: 4,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.30 : 13,504.98 = 3,155.91 : x
  2. Step 2: Convert to fraction form
    8,999.30/13,504.98 = 3,155.91/x
  3. Step 3: Cross multiply
    8,999.30x = 13,504.98 × 3,155.91
  4. Step 4: Simplify right side
    8,999.30x = 42,620,520.84
  5. Step 5: Solve for x
    x = 42,620,520.84/8,999.30
  6. Step 6: Final answer
    x = 4,735.98

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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.