Home / 8,028.04-11,078.58-4,491.40

Finding the Fourth Proportional to 8,028.04, 11,078.58 and 4,491.40

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Solution

The fourth proportional to 8,028.04, 11,078.58 and 4,491.40 is: 6,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.04 : 11,078.58 = 4,491.40 : x
  2. Step 2: Convert to fraction form
    8,028.04/11,078.58 = 4,491.40/x
  3. Step 3: Cross multiply
    8,028.04x = 11,078.58 × 4,491.40
  4. Step 4: Simplify right side
    8,028.04x = 49,758,334.21
  5. Step 5: Solve for x
    x = 49,758,334.21/8,028.04
  6. Step 6: Final answer
    x = 6,198.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.