Home / 8,443.60-12,669.96-3,516.64

Finding the Fourth Proportional to 8,443.60, 12,669.96 and 3,516.64

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Solution

The fourth proportional to 8,443.60, 12,669.96 and 3,516.64 is: 5,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.60 : 12,669.96 = 3,516.64 : x
  2. Step 2: Convert to fraction form
    8,443.60/12,669.96 = 3,516.64/x
  3. Step 3: Cross multiply
    8,443.60x = 12,669.96 × 3,516.64
  4. Step 4: Simplify right side
    8,443.60x = 44,555,688.13
  5. Step 5: Solve for x
    x = 44,555,688.13/8,443.60
  6. Step 6: Final answer
    x = 5,276.86

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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.