Home / 8,609.23-12,901.64-3,606.21

Finding the Fourth Proportional to 8,609.23, 12,901.64 and 3,606.21

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Solution

The fourth proportional to 8,609.23, 12,901.64 and 3,606.21 is: 5,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.23 : 12,901.64 = 3,606.21 : x
  2. Step 2: Convert to fraction form
    8,609.23/12,901.64 = 3,606.21/x
  3. Step 3: Cross multiply
    8,609.23x = 12,901.64 × 3,606.21
  4. Step 4: Simplify right side
    8,609.23x = 46,526,005.15
  5. Step 5: Solve for x
    x = 46,526,005.15/8,609.23
  6. Step 6: Final answer
    x = 5,404.20

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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.