Home / 8,271.99-12,405.36-2,724.09

Finding the Fourth Proportional to 8,271.99, 12,405.36 and 2,724.09

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Solution

The fourth proportional to 8,271.99, 12,405.36 and 2,724.09 is: 4,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.99 : 12,405.36 = 2,724.09 : x
  2. Step 2: Convert to fraction form
    8,271.99/12,405.36 = 2,724.09/x
  3. Step 3: Cross multiply
    8,271.99x = 12,405.36 × 2,724.09
  4. Step 4: Simplify right side
    8,271.99x = 33,793,317.12
  5. Step 5: Solve for x
    x = 33,793,317.12/8,271.99
  6. Step 6: Final answer
    x = 4,085.27

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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.