Home / 8,214.19-12,330.50-3,287.27

Finding the Fourth Proportional to 8,214.19, 12,330.50 and 3,287.27

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Solution

The fourth proportional to 8,214.19, 12,330.50 and 3,287.27 is: 4,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.19 : 12,330.50 = 3,287.27 : x
  2. Step 2: Convert to fraction form
    8,214.19/12,330.50 = 3,287.27/x
  3. Step 3: Cross multiply
    8,214.19x = 12,330.50 × 3,287.27
  4. Step 4: Simplify right side
    8,214.19x = 40,533,682.74
  5. Step 5: Solve for x
    x = 40,533,682.74/8,214.19
  6. Step 6: Final answer
    x = 4,934.59

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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.