Home / 9,126.08-13,683.99-2,887.65

Finding the Fourth Proportional to 9,126.08, 13,683.99 and 2,887.65

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Solution

The fourth proportional to 9,126.08, 13,683.99 and 2,887.65 is: 4,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.08 : 13,683.99 = 2,887.65 : x
  2. Step 2: Convert to fraction form
    9,126.08/13,683.99 = 2,887.65/x
  3. Step 3: Cross multiply
    9,126.08x = 13,683.99 × 2,887.65
  4. Step 4: Simplify right side
    9,126.08x = 39,514,573.72
  5. Step 5: Solve for x
    x = 39,514,573.72/9,126.08
  6. Step 6: Final answer
    x = 4,329.85

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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.