Home / 8,435.64-12,655.92-3,504.36

Finding the Fourth Proportional to 8,435.64, 12,655.92 and 3,504.36

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Solution

The fourth proportional to 8,435.64, 12,655.92 and 3,504.36 is: 5,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.64 : 12,655.92 = 3,504.36 : x
  2. Step 2: Convert to fraction form
    8,435.64/12,655.92 = 3,504.36/x
  3. Step 3: Cross multiply
    8,435.64x = 12,655.92 × 3,504.36
  4. Step 4: Simplify right side
    8,435.64x = 44,350,899.81
  5. Step 5: Solve for x
    x = 44,350,899.81/8,435.64
  6. Step 6: Final answer
    x = 5,257.56

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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.