Home / 8,786.10-13,170.24-2,937.90

Finding the Fourth Proportional to 8,786.10, 13,170.24 and 2,937.90

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Solution

The fourth proportional to 8,786.10, 13,170.24 and 2,937.90 is: 4,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.10 : 13,170.24 = 2,937.90 : x
  2. Step 2: Convert to fraction form
    8,786.10/13,170.24 = 2,937.90/x
  3. Step 3: Cross multiply
    8,786.10x = 13,170.24 × 2,937.90
  4. Step 4: Simplify right side
    8,786.10x = 38,692,848.10
  5. Step 5: Solve for x
    x = 38,692,848.10/8,786.10
  6. Step 6: Final answer
    x = 4,403.87

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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.