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Finding the Fourth Proportional to 8,193.10, 11,303.80 and 4,834.78

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Solution

The fourth proportional to 8,193.10, 11,303.80 and 4,834.78 is: 6,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.10 : 11,303.80 = 4,834.78 : x
  2. Step 2: Convert to fraction form
    8,193.10/11,303.80 = 4,834.78/x
  3. Step 3: Cross multiply
    8,193.10x = 11,303.80 × 4,834.78
  4. Step 4: Simplify right side
    8,193.10x = 54,651,317.56
  5. Step 5: Solve for x
    x = 54,651,317.56/8,193.10
  6. Step 6: Final answer
    x = 6,670.41

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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.