Home / 8,815.99-13,206.66-5,110.43

Finding the Fourth Proportional to 8,815.99, 13,206.66 and 5,110.43

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Solution

The fourth proportional to 8,815.99, 13,206.66 and 5,110.43 is: 7,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.99 : 13,206.66 = 5,110.43 : x
  2. Step 2: Convert to fraction form
    8,815.99/13,206.66 = 5,110.43/x
  3. Step 3: Cross multiply
    8,815.99x = 13,206.66 × 5,110.43
  4. Step 4: Simplify right side
    8,815.99x = 67,491,655.01
  5. Step 5: Solve for x
    x = 67,491,655.01/8,815.99
  6. Step 6: Final answer
    x = 7,655.60

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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.