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Finding the Fourth Proportional to 8,369.34, 12,550.64 and 3,435.63

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Solution

The fourth proportional to 8,369.34, 12,550.64 and 3,435.63 is: 5,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.34 : 12,550.64 = 3,435.63 : x
  2. Step 2: Convert to fraction form
    8,369.34/12,550.64 = 3,435.63/x
  3. Step 3: Cross multiply
    8,369.34x = 12,550.64 × 3,435.63
  4. Step 4: Simplify right side
    8,369.34x = 43,119,338.13
  5. Step 5: Solve for x
    x = 43,119,338.13/8,369.34
  6. Step 6: Final answer
    x = 5,152.06

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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.