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Finding the Fourth Proportional to 8,814.94, 12,162.08 and 5,829.70

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Solution

The fourth proportional to 8,814.94, 12,162.08 and 5,829.70 is: 8,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.94 : 12,162.08 = 5,829.70 : x
  2. Step 2: Convert to fraction form
    8,814.94/12,162.08 = 5,829.70/x
  3. Step 3: Cross multiply
    8,814.94x = 12,162.08 × 5,829.70
  4. Step 4: Simplify right side
    8,814.94x = 70,901,277.78
  5. Step 5: Solve for x
    x = 70,901,277.78/8,814.94
  6. Step 6: Final answer
    x = 8,043.31

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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.