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Finding the Fourth Proportional to 8,893.40, 13,330.83 and 3,342.92

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Solution

The fourth proportional to 8,893.40, 13,330.83 and 3,342.92 is: 5,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.40 : 13,330.83 = 3,342.92 : x
  2. Step 2: Convert to fraction form
    8,893.40/13,330.83 = 3,342.92/x
  3. Step 3: Cross multiply
    8,893.40x = 13,330.83 × 3,342.92
  4. Step 4: Simplify right side
    8,893.40x = 44,563,898.22
  5. Step 5: Solve for x
    x = 44,563,898.22/8,893.40
  6. Step 6: Final answer
    x = 5,010.90

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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.