Home / 8,595.38-12,880.92-3,660.05

Finding the Fourth Proportional to 8,595.38, 12,880.92 and 3,660.05

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Solution

The fourth proportional to 8,595.38, 12,880.92 and 3,660.05 is: 5,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.38 : 12,880.92 = 3,660.05 : x
  2. Step 2: Convert to fraction form
    8,595.38/12,880.92 = 3,660.05/x
  3. Step 3: Cross multiply
    8,595.38x = 12,880.92 × 3,660.05
  4. Step 4: Simplify right side
    8,595.38x = 47,144,811.25
  5. Step 5: Solve for x
    x = 47,144,811.25/8,595.38
  6. Step 6: Final answer
    x = 5,484.90

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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.