Home / 8,214.72-12,313.24-4,262.02

Finding the Fourth Proportional to 8,214.72, 12,313.24 and 4,262.02

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Solution

The fourth proportional to 8,214.72, 12,313.24 and 4,262.02 is: 6,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.72 : 12,313.24 = 4,262.02 : x
  2. Step 2: Convert to fraction form
    8,214.72/12,313.24 = 4,262.02/x
  3. Step 3: Cross multiply
    8,214.72x = 12,313.24 × 4,262.02
  4. Step 4: Simplify right side
    8,214.72x = 52,479,275.14
  5. Step 5: Solve for x
    x = 52,479,275.14/8,214.72
  6. Step 6: Final answer
    x = 6,388.44

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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.