Home / 8,870.99-13,308.39-3,324.11

Finding the Fourth Proportional to 8,870.99, 13,308.39 and 3,324.11

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Solution

The fourth proportional to 8,870.99, 13,308.39 and 3,324.11 is: 4,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.99 : 13,308.39 = 3,324.11 : x
  2. Step 2: Convert to fraction form
    8,870.99/13,308.39 = 3,324.11/x
  3. Step 3: Cross multiply
    8,870.99x = 13,308.39 × 3,324.11
  4. Step 4: Simplify right side
    8,870.99x = 44,238,485.74
  5. Step 5: Solve for x
    x = 44,238,485.74/8,870.99
  6. Step 6: Final answer
    x = 4,986.87

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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.