Home / 8,685.30-13,029.99-3,756.36

Finding the Fourth Proportional to 8,685.30, 13,029.99 and 3,756.36

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Solution

The fourth proportional to 8,685.30, 13,029.99 and 3,756.36 is: 5,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.30 : 13,029.99 = 3,756.36 : x
  2. Step 2: Convert to fraction form
    8,685.30/13,029.99 = 3,756.36/x
  3. Step 3: Cross multiply
    8,685.30x = 13,029.99 × 3,756.36
  4. Step 4: Simplify right side
    8,685.30x = 48,945,333.24
  5. Step 5: Solve for x
    x = 48,945,333.24/8,685.30
  6. Step 6: Final answer
    x = 5,635.42

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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.