Home / 8,855.82-13,280.67-3,011.04

Finding the Fourth Proportional to 8,855.82, 13,280.67 and 3,011.04

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Solution

The fourth proportional to 8,855.82, 13,280.67 and 3,011.04 is: 4,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.82 : 13,280.67 = 3,011.04 : x
  2. Step 2: Convert to fraction form
    8,855.82/13,280.67 = 3,011.04/x
  3. Step 3: Cross multiply
    8,855.82x = 13,280.67 × 3,011.04
  4. Step 4: Simplify right side
    8,855.82x = 39,988,628.60
  5. Step 5: Solve for x
    x = 39,988,628.60/8,855.82
  6. Step 6: Final answer
    x = 4,515.52

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1.5x scale

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.