Home / 8,790.04-13,190.30-3,247.28

Finding the Fourth Proportional to 8,790.04, 13,190.30 and 3,247.28

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Solution

The fourth proportional to 8,790.04, 13,190.30 and 3,247.28 is: 4,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.04 : 13,190.30 = 3,247.28 : x
  2. Step 2: Convert to fraction form
    8,790.04/13,190.30 = 3,247.28/x
  3. Step 3: Cross multiply
    8,790.04x = 13,190.30 × 3,247.28
  4. Step 4: Simplify right side
    8,790.04x = 42,832,597.38
  5. Step 5: Solve for x
    x = 42,832,597.38/8,790.04
  6. Step 6: Final answer
    x = 4,872.86

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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.