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Finding the Fourth Proportional to 8,228.86, 11,356.11 and 4,502.86

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Solution

The fourth proportional to 8,228.86, 11,356.11 and 4,502.86 is: 6,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.86 : 11,356.11 = 4,502.86 : x
  2. Step 2: Convert to fraction form
    8,228.86/11,356.11 = 4,502.86/x
  3. Step 3: Cross multiply
    8,228.86x = 11,356.11 × 4,502.86
  4. Step 4: Simplify right side
    8,228.86x = 51,134,973.47
  5. Step 5: Solve for x
    x = 51,134,973.47/8,228.86
  6. Step 6: Final answer
    x = 6,214.10

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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.