Home / 8,589.14-12,887.81-3,045.09

Finding the Fourth Proportional to 8,589.14, 12,887.81 and 3,045.09

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Solution

The fourth proportional to 8,589.14, 12,887.81 and 3,045.09 is: 4,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.14 : 12,887.81 = 3,045.09 : x
  2. Step 2: Convert to fraction form
    8,589.14/12,887.81 = 3,045.09/x
  3. Step 3: Cross multiply
    8,589.14x = 12,887.81 × 3,045.09
  4. Step 4: Simplify right side
    8,589.14x = 39,244,585.88
  5. Step 5: Solve for x
    x = 39,244,585.88/8,589.14
  6. Step 6: Final answer
    x = 4,569.09

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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.